Question

Is (x - 2) a factor of the polynomial () = ^3 + ^2
− + 2

Answer 1

Answer:

$x - 2 = 0 \\ x = 2 \\ \\ {x}^{3} + {x}^{2} - 2 \\ = {(2)}^{3} + {(2)}^{2} - 2 \\ = 8 + 4 - 2 \\ = 12 - 2 \\ = \underline{ \underline{10}}$