What is factor y^2-y-72 ?

The solution to factor y^2-y-72 is (y+8)(y-9)

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factor y^2-y-72

factor

y^{2} - y - 72

(y + 8) (y - 9)

Solution steps

y^{2} - y - 72

Break the expression into groups

= (y^{2} + 8 y) + (- 9 y - 72)

Factor out

y

from

y^{2} + 8 y : y (y + 8)

Factor out

- 9

from

- 9 y - 72 : - 9 (y + 8)

= y (y + 8) - 9 (y + 8)

Factor out common term

y + 8

= (y + 8) (y - 9)

x^{2} - 3 x = 3 x^{2} - 4 x

3 n^{2} - 29 n + 855 = 0

x^{2} + 9 = ∣ x ∣ + 3

e^{- x^{2}} \cdot e^{x^{2}}

5 x^{2} + 29 x + 20