What is factor 9k^2-3k-56 ?

The solution to factor 9k^2-3k-56 is (3k+7)(3k-8)

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factor 9k^2-3k-56

factor

9 k^{2} - 3 k - 56

(3 k + 7) (3 k - 8)

Solution steps

9 k^{2} - 3 k - 56

Break the expression into groups

= (9 k^{2} + 21 k) + (- 24 k - 56)

Factor out

3 k

from

9 k^{2} + 21 k : 3 k (3 k + 7)

Factor out

- 8

from

- 24 k - 56 : - 8 (3 k + 7)

= 3 k (3 k + 7) - 8 (3 k + 7)

Factor out common term

3 k + 7

= (3 k + 7) (3 k - 8)

4 x - 5 \geq 15

10 - x < 0

16 x^{2} - 24 x + 9 = 0

6 x^{2} + 6 x - 72

20 p^{2} - 16 p^{2} q^{2}