What is factor 9x^2+3x-20 ?

The solution to factor 9x^2+3x-20 is (3x-4)(3x+5)

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factor 9x^2+3x-20

factor

9 x^{2} + 3 x - 20

(3 x - 4) (3 x + 5)

Solution steps

9 x^{2} + 3 x - 20

Break the expression into groups

= (9 x^{2} - 12 x) + (15 x - 20)

Factor out

3 x

from

9 x^{2} - 12 x : 3 x (3 x - 4)

Factor out

5

from

15 x - 20 : 5 (3 x - 4)

= 3 x (3 x - 4) + 5 (3 x - 4)

Factor out common term

3 x - 4

= (3 x - 4) (3 x + 5)

\frac{3}{64} x^{2} - x - 6.25 = 0

- 3 (u + 4) + 34 \leq 5 (2 - u)

- 2 p + 18 > 2

x + 2 = x^{2}