Question 206551
Please help me factor this equation. Thank you.

{{{(a+4)^2-2(a+4)+1}}}
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Since there's no equal sign, it's not an equation.  That's good, tho, since we don't factor equations.
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{{{(a+4)^2-2(a+4)+1}}}
= {{{((a+4) - 1)^2}}}
= {{{(a-3)^2}}}