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Describe and justify the methods you used to solve the quadratic equations in parts A and B.

Describe and justify the methods you used to solve the quadratic equations in parts-example-1

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We know that give any pair of real numbers A and B, the following statement will be true:


A\cdot B=0

if, and only if


\begin{gathered} A=0 \\ or \\ B=0 \end{gathered}

Now, if we factor a quadratic equation into two factors A and B, and use the fact we've just mentioned, we can then equal each factor to zero, solve for x and get the solutions to said quadratic equation.

User Hans Koch
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