Question

Split the middle term:
x^2-x-156

Answer 1

Answer:

x²-x-156

Explanation:

x²-13x+12x-156

x(x-13)+12(x-13)

(x-13)(x-12)

Answer 2

Answer:

x^2-x-156

=x^2-13x+12x-156

=x(x+13)+12(x+13)

=(x+13)(x+12)

x=-13(or)x=-12

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