What is factor-y^2-12y-20 ?

The solution to factor-y^2-12y-20 is -(y+2)(y+10)

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factor-y^2-12y-20

factor

- y^{2} - 12 y - 20

- (y + 2) (y + 10)

Solution steps

- y^{2} - 12 y - 20

Break the expression into groups

= (- y^{2} - 2 y) + (- 10 y - 20)

Factor out

- y

from

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

Factor out

- 10

from

- 10 y - 20 : - 10 (y + 2)

= - y (y + 2) - 10 (y + 2)

Factor out common term

y + 2

= (y + 2) (- y - 10)

Factor

- y - 10 : - (y + 10)

= (y + 2) (- (y + 10))

Apply rule:

a (- b) = - ab

(y + 2) (- (y + 10)) = - (y + 2) (y + 10)

= - (y + 2) (y + 10)

- x^{2} - 4 x + 36 = 0

2 x \cdot x^{\frac{1}{2}}

\frac{1}{9} + \frac{1}{8}

(x + 1)^{2} \leq 5 x^{2} + x + 1

(x - 1)^{2} - 13 (x - 1) = - 36