(2x-y) ( x-8y+7) how do I solve this problem ?
(2x - y)(x - 8y + 7) = 2x(x - 8y + 7) - y(x - 8y + 7) = 2x^2 - 16xy + 14x - xy + 8y^2 - 7y =2x^2 - 17xy + 8y^2 + 14x - 7y <===