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Factors of Algebraic Expressions and Factorisation

Simplify : 3...

Question

Simplify :
$3 x (2 + 5 x) - 6 (1 - 2 x)$

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Solution

$3 x (2 + 5 x) - 6 (1 - 2 x)$
$= 6 x + 15 x^{2} - 6 + 12 x$
$= 15 x^{2} + 18 x - 6$

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