Question

(x+5)(x+10) multiply by using identity

Answer 1

Hey
This must be ur answer.
Hope it helps:)

Answer 2

=(x+5)(x+10)=x²+10x+5x+50.
=X²+15x+50.
=x²+5x+10x+50.
=identity
=(a+b)(a+b)=a²+ab+ab+b²
=a²+b²+2ab..