What is factor 5y^2-9y-18 ?

The solution to factor 5y^2-9y-18 is (5y+6)(y-3)

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factor 5y^2-9y-18

factor

5 y^{2} - 9 y - 18

(5 y + 6) (y - 3)

Solution steps

5 y^{2} - 9 y - 18

Break the expression into groups

= (5 y^{2} + 6 y) + (- 15 y - 18)

Factor out

y

from

5 y^{2} + 6 y : y (5 y + 6)

Factor out

- 3

from

- 15 y - 18 : - 3 (5 y + 6)

= y (5 y + 6) - 3 (5 y + 6)

Factor out common term

5 y + 6

= (5 y + 6) (y - 3)

3 b^{2} - 14 b + 8

80 x \geq 55 x + 450

4 x^{2} y - 24 x y + 36 y

25 a^{2} - 36

b - (- 2) = 7