Question
If $a=2$ and $b=3$, find the value of: $a^3-b^3$
✓
Answer
Substituting $a =2$ and $b =3$ in the, given expression, we get: $a ^3- b ^3=(2)^3-(3)^3=2 \times 2 \times 2-3 \times 3 \times 3=8-27=-$ 19
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