Question

X^2+15x+56 factorise by splitting the middle term

Answer 1

Answer:

(x + 8)(x+7)

Step-by-step explanation:

=x^2 + 15x + 56. Sum = 15. Product = 56

=x^2 + 8x + 7x + 56. No: 8,7

= x(x + 8)+ 7(x + 8)

= (x + 8)(x + 7)

Answer 2

x²+15x+56

First, multiply coefficient of x² to constant term ,we get 56

Now, Split the middle term 15 in such a way that the sum of two parts = 15 and their product is equal=56

No.= 8,7

x²+(8+7)x+56

x²+8x+7x+56=0

x(x+8)+7(x+8)

(x+7)(x+8)