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

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

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factor 2z^2-7z-9

factor

2 z^{2} - 7 z - 9

(z + 1) (2 z - 9)

Solution steps

2 z^{2} - 7 z - 9

Break the expression into groups

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

Factor out

2 z

from

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

Factor out

- 9

from

- 9 z - 9 : - 9 (z + 1)

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

Factor out common term

z + 1

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

8 x - 4 x + 4 < 2 (x + 6)

8^{2}

2 x^{2} + 3 x + 2.25 = 4 + 2.25

\frac{z ^{7}}{z ^{- 14}}

- 1 + 4 x = 3 x + 3