Question

If (x-3) is one factor of x^2+x-12, then what is the other factor?

x-4
4x-3
3x-4
x+

Answer 1

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Explanation:

Answer 2

(x + 4)

Explanation:

x^2+x-12

= x^2 + 4x -3x -12

= x(x + 4) - 3(x + 4)

= (x + 4)(x - 3)

So factors: (x + 4) and (x - 3)