Question

Resolva a expressão $(ax^2+1)^2 + 3x^3 -4*(2-ax)^2$

Answer 1

$(ax^2+1)^2+3x^3-4*(2-ax)^2\\\\(ax^2)^2+2*(ax^2)*(1)+1^2-3x^3-4*(2^2-2*2*ax+(ax)^2)\\\\a^2x^4 + 2ax^2+1-3x^3-4*(4-4ax+a^2x^2)\\\\a^2x^4+2ax^2+1-3x^3-8+8ax-4a^2x^2\\\\-3x^3-3a^2x^2+8ax-7$

Espero ter ajudado. :))