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

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

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factor 4x^2-5x-9

factor

4 x^{2} - 5 x - 9

(x + 1) (4 x - 9)

Solution steps

4 x^{2} - 5 x - 9

Break the expression into groups

= (4 x^{2} + 4 x) + (- 9 x - 9)

Factor out

4 x

from

4 x^{2} + 4 x : 4 x (x + 1)

Factor out

- 9

from

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

= 4 x (x + 1) - 9 (x + 1)

Factor out common term

x + 1

= (x + 1) (4 x - 9)

(x + 4 y)^{2}

ln ((3 x)^{2 x}) + (9 x^{2} + 2)^{3}

- - 99

\frac{( x ^{4} - y ^{4} )}{( x - y )}

\frac{x}{a ^{2} - a x} + \frac{1}{a} + \frac{1}{x}