how to factor to solve quadratic equations?
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By middle term splitting or completing the squaring method.
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ax^2 + bx +c if the roots are alpha and beta ....then
= a(x- alpha )(x-beta)
To factorise = -b+or- root of( b^2-4ac)/2a
= a(x- alpha )(x-beta)
To factorise = -b+or- root of( b^2-4ac)/2a
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