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Problemas populares

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Problemas populares de Álgebra

(n(n-3))/2 =27	\frac{n(n-3)}{2}=27
2x^2-10=64	2x^{2}-10=64
x^2-8x+45=0	x^{2}-8x+45=0
completesquare x^2+7x-18=0	completesquare\:x^{2}+7x-18=0
81x^2-180x+100=100	81x^{2}-180x+100=100
x^2+3x=-9-3x	x^{2}+3x=-9-3x
9x^2+24x+17=0	9x^{2}+24x+17=0
6(x^2-2)=3(x^2+1)	6(x^{2}-2)=3(x^{2}+1)
x(x+2)=120	x(x+2)=120
solvefor x,(x^2)/(18)=r	solvefor\:x,\frac{x^{2}}{18}=r
s^2+2s+20=0	s^{2}+2s+20=0
y^2+2y+5y=5y^2-4y	y^{2}+2y+5y=5y^{2}-4y
solvefor x,6x^2-6xy+6x=0	solvefor\:x,6x^{2}-6xy+6x=0
4x^2-36x+85=0	4x^{2}-36x+85=0
x^2-7=9x	x^{2}-7=9x
x^2+6x-9=6x	x^{2}+6x-9=6x
factorizar 3y^2+2y-1=0	factor\:3y^{2}+2y-1=0
-4x^2-16x-216=0	-4x^{2}-16x-216=0
-8x^2-24x+3=2	-8x^{2}-24x+3=2
x^2-12x=20	x^{2}-12x=20
x^2+x-6=x+3	x^{2}+x-6=x+3
92=20+26t-2t^2	92=20+26t-2t^{2}
0=(-32x^2)/(130^2)+x	0=\frac{-32x^{2}}{130^{2}}+x
3m^2-13m+4=-4	3m^{2}-13m+4=-4
2y^2-5y+8=0	2y^{2}-5y+8=0
9=x^2+6x+7	9=x^{2}+6x+7
2x^2-3x+16=0	2x^{2}-3x+16=0
(x+4)(x+7)=8	(x+4)(x+7)=8
3x^2-6x=12x	3x^{2}-6x=12x
3x^2-3=6x-3	3x^{2}-3=6x-3
completesquare 4+2x-x^2	completesquare\:4+2x-x^{2}
3x^2-2x=21	3x^{2}-2x=21
2r^2-r-11=-3	2r^{2}-r-11=-3
6x^2=-8x-7	6x^{2}=-8x-7
(3x-3)^2-36=0	(3x-3)^{2}-36=0
5w-w^2+3w=8	5w-w^{2}+3w=8
-2x^2+10x+7=0	-2x^{2}+10x+7=0
factorizar x^2+6x-16=0	factor\:x^{2}+6x-16=0
x^2-4ax+4a^2-c^2=0	x^{2}-4ax+4a^{2}-c^{2}=0
-2x^2-40x-344=0	-2x^{2}-40x-344=0
x+3x(x-2)=5	x+3x(x-2)=5
3x^2+60x+300=0	3x^{2}+60x+300=0
4t^2-24t=0	4t^{2}-24t=0
10k^2=50	10k^{2}=50
-2x^2-42x=-10x+126	-2x^{2}-42x=-10x+126
(X+4)^2=9(X+3)	(X+4)^{2}=9(X+3)
solvefor x,12x^2+76x-115=0	solvefor\:x,12x^{2}+76x-115=0
completesquare 2x^2-8x-7	completesquare\:2x^{2}-8x-7
completesquare-2x^2+5x-1	completesquare\:-2x^{2}+5x-1
x^2=-x^2+6	x^{2}=-x^{2}+6
solvefor y,xy^2-9x-y-1=0	solvefor\:y,xy^{2}-9x-y-1=0
20x^2-9x-20=0	20x^{2}-9x-20=0
x^2-4x-17=0	x^{2}-4x-17=0
(2x+3)^2=7	(2x+3)^{2}=7
4x(x+5)=0	4x(x+5)=0
solvefor x,5x^2+xy^2=c	solvefor\:x,5x^{2}+xy^{2}=c
36d^2+60d+25=16	36d^{2}+60d+25=16
112x^2-56x+3=0	112x^{2}-56x+3=0
(k-1)y^2-5y+3k-7=0	(k-1)y^{2}-5y+3k-7=0
completesquare x^2+4x-45=0	completesquare\:x^{2}+4x-45=0
-2x^2-6x+7=0	-2x^{2}-6x+7=0
2u^2-5u-3=0	2u^{2}-5u-3=0
solvefor x,y=-0.02x^2+x+2.6	solvefor\:x,y=-0.02x^{2}+x+2.6
4x(x-2)+3(x-3)=-3	4x(x-2)+3(x-3)=-3
solvefor x,y^4=(x+2)^2	solvefor\:x,y^{4}=(x+2)^{2}
4z^2-19z+18=0	4z^{2}-19z+18=0
(x-6)(x-4)=-1	(x-6)(x-4)=-1
20-t^2=0	20-t^{2}=0
quadraticformula x^2+x-12=0	quadraticformula\:x^{2}+x-12=0
factorizar x^2=8x-15	factor\:x^{2}=8x-15
x^2=8x+8	x^{2}=8x+8
-w^2-3w-2=-5w^2	-w^{2}-3w-2=-5w^{2}
n^2-6n-7=0	n^{2}-6n-7=0
x^2-12x+64=0	x^{2}-12x+64=0
b^2+3b=0	b^{2}+3b=0
x^2+6x-520=0	x^{2}+6x-520=0
x^2+6x+8=3	x^{2}+6x+8=3
(y+3)^2=36	(y+3)^{2}=36
6x^2-5x-56=0	6x^{2}-5x-56=0
24x+9=-16x^2	24x+9=-16x^{2}
(x-7)^2-7(x-7)+10=0	(x-7)^{2}-7(x-7)+10=0
5x^2+7x+20=7x^2+3x-10	5x^{2}+7x+20=7x^{2}+3x-10
-2x^2-32x-112=0	-2x^{2}-32x-112=0
3x^2-24=-9x^2	3x^{2}-24=-9x^{2}
5x^2+3x-14=0	5x^{2}+3x-14=0
(11x-1)^2-4(11x-1)-5=0	(11x-1)^{2}-4(11x-1)-5=0
0=2x^2+4x-5	0=2x^{2}+4x-5
24=-0.5t^2+3.2t+22	24=-0.5t^{2}+3.2t+22
b^2=34	b^{2}=34
50=(3x(20-x))/2	50=\frac{3x(20-x)}{2}
completesquare 4x^2+36x+31	completesquare\:4x^{2}+36x+31
15x^2-6=-13x	15x^{2}-6=-13x
solvefor x,x^2+9b^2=0	solvefor\:x,x^{2}+9b^{2}=0
4x(2x-1)-x=3	4x(2x-1)-x=3
completesquare 2x^2+4x-1	completesquare\:2x^{2}+4x-1
solvefor x,v+w=x^2yz	solvefor\:x,v+w=x^{2}yz
(x-1)(x+1)=1	(x-1)(x+1)=1
9x^2=225	9x^{2}=225
(x-6)^2-7=0	(x-6)^{2}-7=0
solvefor x,x^2-kx+24=0	solvefor\:x,x^{2}-kx+24=0

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