Question

Q13. The value of the expression 5x³ – 2x + 3 when x = – 2 is

Answer 1

Answer:

The answer is -33

Step-by-step explanation:

The value of  $5x^3-2x+3$ when $x=-2$ is

                   $=5(-2)^3-2(-2)+3$, substitute the value of x

                   $=5(-8)+4+3\\=-40+7=-33$