What is factor y^2-7y-18 ?

The solution to factor y^2-7y-18 is (y+2)(y-9)

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factor y^2-7y-18

factor

y^{2} - 7 y - 18

(y + 2) (y - 9)

Solution steps

y^{2} - 7 y - 18

Break the expression into groups

= (y^{2} + 2 y) + (- 9 y - 18)

Factor out

y

from

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

Factor out

- 9

from

- 9 y - 18 : - 9 (y + 2)

= y (y + 2) - 9 (y + 2)

Factor out common term

y + 2

= (y + 2) (y - 9)

2 l + 2

\frac{5.4 \cdot 1 0 ^{12}}{1.2 \cdot 1 0 ^{3}}

7 \cdot 16

x + 6 = 4

18 a - 45 a^{3} - 9 ab + 45 a^{2} b^{5}