17. Solve for $x$: $(x^2 - a^2) = 3(x + a)$
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Step 1
Step 2: Recognize the difference of squares on the left side of the equation. The difference of squares formula is $A^2 - B^2 = (A - B)(A + B)$. In this case, $A = x$ and $B = a$. So, $x^2 - a^2$ can be factored as $(x - a)(x + a)$. Step 3: Substitute the factored Show more…
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