- Quadratic equations, Sets
$$ x^2-x-12=0 $$

$$ (x+3)(x-4)=0 $$

$$ \therefore x=-3,\ x=4 $$

## Skills you are tested for:

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- Quadratic equations, Sets
$$ x^2-x-12=0 $$

$$ (x+3)(x-4)=0 $$

$$ \therefore x=-3,\ x=4 $$

## Skills you are tested for:

Was this explanation helpful?

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