What is factor 5x^2-4x-9 ?

The solution to factor 5x^2-4x-9 is (x+1)(5x-9)

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factor 5x^2-4x-9

factor

5 x^{2} - 4 x - 9

(x + 1) (5 x - 9)

Solution steps

5 x^{2} - 4 x - 9

Break the expression into groups

= (5 x^{2} + 5 x) + (- 9 x - 9)

Factor out

5 x

from

5 x^{2} + 5 x : 5 x (x + 1)

Factor out

- 9

from

- 9 x - 9 : - 9 (x + 1)

= 5 x (x + 1) - 9 (x + 1)

Factor out common term

x + 1

= (x + 1) (5 x - 9)

\frac{x}{3} = 9

8 x^{2} - 8 x = 6

9 c^{2} - 4

6 a + 10 = a - 35

27 - 8 x^{3}