Question

1) dado p(x) = 2x³ + 3x² - x, calcule p(2):​

Answer 1

$p(x) = 2 {x}^{3} + 3 {x}^{2} - 2\\ p(x) = 2 \times {2}^{3} + 3 \times {3}^{2} - 2\\ p(x) = 2 \times 8 + 3 \times 9 -2 \\ p(x) = 16 + 27 -2 \\ p(x) = \green4\green1$