Question

Evaluate 5x3 - 2 + 7 when x= -2.

Answer 1

-995

Explanation:

5(-2)^3 - 2 + 7

first you would multiply the 5 by -2

(-10)^3 - 2 + 7

then the exponents

-1000 - 2 + 7

then you would subtract -1000 by 2

-1002 + 7

then add the 7

-995