EM-555

Quadratics by factorisation

E Math · Secondary 3 · Hard · Quadratics by factorisation

Solve the equation

3x^2-5x-2=0

by factorisation.

$x=2$ or $x=-\dfrac13$
$x=-2$ or $x=\dfrac13$
$x=2$ only
$x=-\dfrac13$ only

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