If m = – 7, evaluate: 2m^2 - Vidyadip

Question

If $m = – 7,$ evaluate:
$2m^2$

✓

Answer

$2m^2$
$= 2 \times m \times m$
$= 2 \times (− 7) \times (− 7)$
$= 2 \times 49$
$= 98$

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