What is factor x^2+7x-18 ?

The solution to factor x^2+7x-18 is (x-2)(x+9)

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factor x^2+7x-18

factor

x^{2} + 7 x - 18

(x - 2) (x + 9)

Solution steps

x^{2} + 7 x - 18

Break the expression into groups

= (x^{2} - 2 x) + (9 x - 18)

Factor out

x

from

x^{2} - 2 x : x (x - 2)

Factor out

9

from

9 x - 18 : 9 (x - 2)

= x (x - 2) + 9 (x - 2)

Factor out common term

x - 2

= (x - 2) (x + 9)

x (x - 1)^{2} < 0

x^{2} - 10 x + 20 = 0

3 x^{2} y - 2 x y^{2}

3 z - 1 = 14

(3^{- \frac{2}{3}} \cdot 3^{\frac{1}{3}})^{- 1}