What is factor 2z^2+5z-18 ?

The solution to factor 2z^2+5z-18 is (z-2)(2z+9)

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factor 2z^2+5z-18

factor

2 z^{2} + 5 z - 18

(z - 2) (2 z + 9)

Solution steps

2 z^{2} + 5 z - 18

Break the expression into groups

= (2 z^{2} - 4 z) + (9 z - 18)

Factor out

2 z

from

2 z^{2} - 4 z : 2 z (z - 2)

Factor out

9

from

9 z - 18 : 9 (z - 2)

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

Factor out common term

z - 2

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

- 2 (v + 6) - 6 v = 4 (v + 3)

x^{2} - \frac{1}{4} x

x^{2} = - 96

4 x - 1 \geq 15

9 m^{4} - 40 m^{2} + 16