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Definition of Sets

Simplify : 4...

Question

Simplify :
$4 x + 6 - (2 x^{2} - 4) + 6$

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Solution

Given, $4 x + 6 - (2 x^{2} - 4) + 6$

$= 4 x + 6 - 2 x^{2} + 4 + 6$

$= 4 x - 2 x^{2} + 16$

$= - 2 (x^{2} - 2 x - 8)$

$= - 2 (x^{2} - 4 x + 2 x - 8)$

$= - 2 (x^{2} - 4 x + 2 x - 8)$

$= - 2 (x - 4) (x - 2)$

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