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Beliebt Algebra >

|x^2+x|=7

Lösung

x^{2} + x = 7

Lösung

x = \frac{- 1 - 29}{2} or x = \frac{- 1 + 29}{2}

+1

Dezimale

x = - 3.19258 \dots, x = 2.19258 \dots

Schritte zur Lösung

x^{2} + x = 7

Wende Absoluteregel an: Wenn

∣ u ∣ = a, a > 0

dann

u = a

or

u = - a

x^{2} + x = - 7 or x^{2} + x = 7

x^{2} + x = - 7 or x^{2} + x = 7

keine L \overset{o}{¨} sung or (x = \frac{- 1 - 29}{2} or x = \frac{- 1 + 29}{2})

x = \frac{- 1 - 29}{2} or x = \frac{- 1 + 29}{2}

Graph

Beliebte Beispiele

((2x+7))/3-((3x-6))/4-((x+3))/2 =((4x+9))/6

\frac{( 2 x + 7 )}{3} - \frac{( 3 x - 6 )}{4} - \frac{( x + 3 )}{2} = \frac{( 4 x + 9 )}{6}

∣ x ∣ - 7 = 8

vereinfachen 2.5(pi/6)

s im pl i f y 2.5 (\frac{π}{6})

5 + 8 p = 77

vereinfachen 1/8+2/8+1/20

s im pl i f y \frac{1}{8} + \frac{2}{8} + \frac{1}{20}