Question

factorisation the following a x power 2 - 15 X + 56

Answer 1

Hi

This is your answer.

x^2-15x+56
= x^2- (8+7)x + 56
= x^2 - 8x -7x + 56
= x(x-8) - 7(x-8)
= (x-8) (x-7)
.
.
Thanks.

Answer 2

X^2-15X+56
X^2-8X-7X+56
X(X-8)-7(X-8)
(X-7)(X-8)