化简 sqrt(18x^3y^4)

解答

化简

18 x^{3} y^{4}

32 x y^{2} x

求解步骤

18 x^{3} y^{4}

18 x^{3} y^{4} = 18 x^{3} y^{4}

= 18 x^{3} y^{4}

化简

x^{3} : x x

= 18 x x y^{4}

化简

y^{4} : y^{2}

= 18 x x y^{2}

18 = 2 \cdot 3

= 2 \cdot 3 x x y^{2}

= 32 x y^{2} x

f a c t or (x + 2)^{2} - (x + 7)^{2}

e x p an d (3 k - 1) (4 k + 9)

\frac{243}{32}

s im pl i f y (- 5) - 1

s im pl i f y (7.5)^{2} + (7.5)^{2}