Question

4x2 - 7x + 2 ) + ( -2x2 + 3x + 5 ) =

Answer 1

Resposta:

$(4x^2-7x+2)+(-2x^2+3x+5)=\\ \\ 4x^2-7x+2-2x^2+3x+5=\\ \\ 4x^2-2x^2-7x+3x+2+5=\\ \\\boxed{ 2x^2-4x+7}$