What is factor 9x^2+15x+4 ?

The solution to factor 9x^2+15x+4 is (3x+1)(3x+4)

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factor 9x^2+15x+4

factor

9 x^{2} + 15 x + 4

(3 x + 1) (3 x + 4)

Solution steps

9 x^{2} + 15 x + 4

Break the expression into groups

= (9 x^{2} + 3 x) + (12 x + 4)

Factor out

3 x

from

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

Factor out

4

from

12 x + 4 : 4 (3 x + 1)

= 3 x (3 x + 1) + 4 (3 x + 1)

Factor out common term

3 x + 1

= (3 x + 1) (3 x + 4)

10 \leq \frac{t}{- 2}

- 3 \leq \frac{4 - 2 x}{5} < 1

11 7^{2} = x (x + 4)

x + 1 + 4 x = 11 + 12 x - 3

\frac{6}{3}