Question

3x^3+4x^2+5x+18 by x+2 Solve it

Answer 1

$p(x) = 3 {x}^{3} + 4 {x}^{2} + 5x + 18 \\ p(2) = 3 \times {2}^{3} + 4 \times {2}^{2} + 5 \times 2 + 18 \\ = 24 + 16 + 10 + 18 \\ = 68$