Identify the factors of x2 − 4x − 12.
2 answers:
Answer:
(x+2)(x-6), factors are -6 and 2
Step-by-step explanation:
x^2 − 4x − 12
we find out factors whose product is -12 and sum is -4
-6 times 2 = -12
-6+2=-4
So two factors are -6 and 2
Now we use the factors -6 and 2 to factor x^2 -4x-12
x^2 -6x+2x-12
(x^2 -6x)+(2x-12)
take out GCF, x(x-6) + 2(x-6)
(x+2)(x-6)
(x-6)(x+2)
When you foil it you get x^2+2x-6x-12
After you do this you then add like terms to get x^2-4x-12
Therefore the answer (x-6)(x+2) is correct.
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Step-by-step explanation:
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