Question

se A (x)=x²-x +1, B(x)=(x-2)² e C(x)=-3x calcule [A(x)+B(x).C(x)]​

Answer 1

${x}^{2} - x + 1 + (x - 2)^{2} \times ( - 3x)$

${x}^{2} - x + 1 + ( {x}^{2} - 4x + 4) \times ( - 3x)$

${x}^{2} - x + 1 - 3 {x}^{3} + 12 {x}^{2} - 12x$

$- 3 {x}^{3} + 13 {x}^{2} - 13x + 1$