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(a + b)^2 Expansion and Visualisation

Solve: y2 +...

Question

Solve: $y^{2} + 2 y - 48$

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Solution

$y^{2} + 2 y - 48$
$= y^{2} + 8 y - 6 y - 48$
$= y (y + 8) - 6 (y + 8)$
$= (y + 8) (y - 6)$
$∴ y^{2} + 2 y - 48 = (y + 8) (y - 6)$ .

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