What is factor 2k^2-7k-9 ?

The solution to factor 2k^2-7k-9 is (k+1)(2k-9)

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factor 2k^2-7k-9

factor

2 k^{2} - 7 k - 9

(k + 1) (2 k - 9)

Solution steps

2 k^{2} - 7 k - 9

Break the expression into groups

= (2 k^{2} + 2 k) + (- 9 k - 9)

Factor out

2 k

from

2 k^{2} + 2 k : 2 k (k + 1)

Factor out

- 9

from

- 9 k - 9 : - 9 (k + 1)

= 2 k (k + 1) - 9 (k + 1)

Factor out common term

k + 1

= (k + 1) (2 k - 9)

4 x^{2} - 3 = 16 x

2.25

5 (x - 1) + 2 x = - x + 7

12 x^{2} + x = 6

(x - 4)^{2} = 0