Question
If necessary, write each equation in standard form $a x^{2}+b x+c=0 .$ Then identify the values of $a, b,$ and $c .$ Do not actually solve the equation. See Example 1.$$(x+7)(x-2)=0$$
Step 1
To do this, we multiply out the terms in the equation $(x+7)(x-2)=0$. Show more…
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