Algebra
posted by Macy
(x+5)^2 (x5)^2=
Simplify.
Help please :)

Steve
this is just the difference of two squares, so you have
((x+5)+(x5))*((x+5)(x5))
= (2x)(10)
= 20x
If you expand it all out, you will easily see that everything but the x terms cancel out.
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