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Factorising quadratics

E Math · Secondary 3 · Medium · Factorising quadratics

Simplify

\frac{9x^2 - 16}{3x^2 - 10x - 8}.

Give your answer in simplest form.

$\dfrac{(3x-4)(3x+4)}{(3x+2)(x-4)}$
$\dfrac{(3x+4)}{(3x+2)}$
$\dfrac{(3x-4)}{(x-4)}$
$\dfrac{(3x-4)(3x+2)}{(3x+4)(x-4)}$

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