Question
If $a = 5$ and $b = 6$, evaluate:
$2b^2$
$2b^2$
✓
Answer
$2b^2$
$= 2 \times b \times b$
$= 2 \times 6 \times 6$
$= 72$
$= 2 \times b \times b$
$= 2 \times 6 \times 6$
$= 72$
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