Question

5x²- y^3, para x = 3 e y = -2 *
A) 50
B) 51
C) 52
D) 53

Answer 1

Resposta:

$5x {}^{2} - y {}^{ 3} \\ 5 \times ( {3}^{2} ) - ( - 2) {}^{3} \\ 5 \times 9 - ( - 8) \\ 45 + 8 \\ = 53$