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Which is a factor of x^2+ x - 12?

Sagot :

Flametail63idn

Answer:

(x+4) and (x-3)

Step-by-step explanation:

Find two numbers that add to be the second term and multiply to be the third In this case, those two numbers are 4 and -3

Gufeliz1965idn

What two numbers when multiplied yield -12 but when added produce the coefficient of the middle term x?

How about 4 times -3?

Look: 4(-3) = -12, but when added give you 1.

(x - 3) (x + 4)

Done!

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