If y = − 8, evaluate: y^ 2 + 12y - Vidyadip

Question

If $y = − 8,$ evaluate:
$y^{2 }+ 12y$

✓

Answer

$y^{2 }+ 12y$
$= (y \times y) + (12 \times y)$
$= ((− 8) \times (− 8)) + (12 \times (− 8))$
$= 64 + (− 96)$
$= −32$

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