What is factor n^2-n-72 ?

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

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factor n^2-n-72

factor

n^{2} - n - 72

(n + 8) (n - 9)

Solution steps

n^{2} - n - 72

Break the expression into groups

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

Factor out

n

from

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

Factor out

- 9

from

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

= n (n + 8) - 9 (n + 8)

Factor out common term

n + 8

= (n + 8) (n - 9)

(\frac{4}{9})^{- \frac{1}{2}}

x^{3} - 7 x^{2} + 16 x

x^{2} - 169 = 0

a^{2} + 2 a - 35

(x^{\frac{2}{3}})^{6}