What is factor a^2-4a-12 ?

The solution to factor a^2-4a-12 is (a+2)(a-6)

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factor a^2-4a-12

factor

a^{2} - 4 a - 12

(a + 2) (a - 6)

Solution steps

a^{2} - 4 a - 12

Break the expression into groups

= (a^{2} + 2 a) + (- 6 a - 12)

Factor out

a

from

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

Factor out

- 6

from

- 6 a - 12 : - 6 (a + 2)

= a (a + 2) - 6 (a + 2)

Factor out common term

a + 2

= (a + 2) (a - 6)

6 x^{2} - \frac{1}{2} x - \frac{1}{4} = 0

(\frac{x ^{- 8}}{y ^{11}})^{- 2}

- 3 - 2

x^{2} + 3 x - 24 = 0

20 x^{2} - 9 x - 20