What is factor 9x^2-6x-80 ?

The solution to factor 9x^2-6x-80 is (3x+8)(3x-10)

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factor 9x^2-6x-80

factor

9 x^{2} - 6 x - 80

(3 x + 8) (3 x - 10)

Solution steps

9 x^{2} - 6 x - 80

Break the expression into groups

= (9 x^{2} + 24 x) + (- 30 x - 80)

Factor out

3 x

from

9 x^{2} + 24 x : 3 x (3 x + 8)

Factor out

- 10

from

- 30 x - 80 : - 10 (3 x + 8)

= 3 x (3 x + 8) - 10 (3 x + 8)

Factor out common term

3 x + 8

= (3 x + 8) (3 x - 10)

∣ n ∣ - 1 \geq - 12

12 x + 12 \geq 5 x + 54

5 - 4

\frac{8}{11} \cdot 4

5 x + 10 = 20