Question

Factorise x^2 + x- 72
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Answer 1

Answer:

the answer is (x+9) (x-8)

Answer 2

Answer:

= X^2 + X - 72

= X^2 - 8X + 9X - 72

= X(X-8) + 9(X-8)

= (X-8) (X+9)