Math algebraic factprization
posted by Jim .
1) (x+3)^2  (x+1)^2
2) (x4)^2  16(x+2)^2

a^2b^2 = (ab)(a+b) so
(x+3)^2  (x+1)^2
= ((x+3)(x+1))((x+3)+(x+1))
= (2)(2x+4)
= 4x+8
similarly for the other
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