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Factorise:9 x...

Question

Factorise:
9x²+ 18x + 8

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Solution

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

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

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