What is factor 9x^2+18x-7 ?

The solution to factor 9x^2+18x-7 is (3x-1)(3x+7)

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factor 9x^2+18x-7

factor

9 x^{2} + 18 x - 7

(3 x - 1) (3 x + 7)

Solution steps

9 x^{2} + 18 x - 7

Break the expression into groups

= (9 x^{2} - 3 x) + (21 x - 7)

Factor out

3 x

from

9 x^{2} - 3 x : 3 x (3 x - 1)

Factor out

7

from

21 x - 7 : 7 (3 x - 1)

= 3 x (3 x - 1) + 7 (3 x - 1)

Factor out common term

3 x - 1

= (3 x - 1) (3 x + 7)

3 x^{2} = - 9 x

c^{2} + 7 c + 12 = 0

(\frac{5}{b})^{- 3}

1 2^{l o g_{12} (144)}

b^{2} - b - 20