## Algebra 1

To solve this question we know that a=-2, and b=5 and the equation is $a^{3}$ + $b^{3}$ $a^{3}$ + $b^{3}$ = $-2^{3}$ + $5^{3}$ = -8 + 125 = 117 Cube of -2 is -8 as you are multiplying -2, three times to make -8.