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Factorisation of Quadratic Polynomials- Middle Term Splitting

Factorise: 9x...

Question

Factorise:
$9 x^{2} + 18 x + 8$

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Solution

$9 x^{2} + 18 x + 8 \Rightarrow 9 x^{2} + 12 x + 6 x + 8 \Rightarrow 3 x (3 x + 4) + 2 (3 x + 4) \Rightarrow (3 x + 4) (3 x + 2)$

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Factorisation of Quadratic Polynomials- Middle Term Splitting

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