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Solving a Quadratic Equation by Factorization Method

Solve the fol...

Question

Solve the following quadratic equation by factorization.
$(x - 4) (x + 2) = 0$

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Solution

Here

$(x - 4) (x + 2) = 0$
so

$(x - 4) = 0$

=> $x = 4$
and
$(x + 2) = 0$
=> $x = - 2$

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