Question 557242
=7x(2x^2) + 7x(2x) + 7x(1) + 5(2x^2) + 5(2x) + 5(1)
= 14x^3 + 14x^2 + 7x + 10x^2 + 10x + 5
= 14x^3 + 24^2 + 17x + 5