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Mathematics 13 Online
OpenStudy (anonymous):

(7x^2+10y^2)^2

OpenStudy (hoblos):

apply (a+b)^2 = a^2 + 2ab + b^2

OpenStudy (anonymous):

so: 49x^4+100y^4 then what?

OpenStudy (hoblos):

you are missing the term 2ab

OpenStudy (anonymous):

49x^2+140xy+100x^2 ?

OpenStudy (hoblos):

correct

OpenStudy (anonymous):

thank you!

OpenStudy (hoblos):

any time :)

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