Question

x^2 +yz +xy +xz =...............................................................................

Answer 1

Answer:

The equation x

2

+xy+xz+yz can be factorised as follows:

x

2

+xy+xz+yz=(x

2

+xy)+(xz+yz)=x(x+y)+z(x+y)=(x+z)(x+y)

Hence, x

2

+xy+xz+yz=(x+z)(x+y)