Question

calcule o valor numeral da expressao 2x²-3x+10 quando x=-3​

Answer 1

Substituindo o "x" da expressão dada por -3, temos:

$\left\begin{array}{c}2x^2-3x+10\\\\\\2\,.\,(-3)^2-3\,.\,(-3)+10\\\\\\2\,.\,9+9+10\\\\\\18+9+10\\\\\\\boxed{37}\end{array}\right$

Resposta: 37