(x+10y)^2 as a single polynomial in standard form

asked Jan 1, 2019 132k views

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(x+10y)^2
as a single polynomial in standard form

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$(x+10y)^2\\\\\text{Use}\ (a+b)^2=a^2+2ab+b^2\\\\=x^2+2(x)(10y)+(10y)^2=x^2+20xy+100y^2\\\\Answer:\ \boxed{(x+10y)^2=x^2+20xy+100y^2}$

SLN answered Jan 6, 2019

by SLN

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