3x+2y the whole square with steps using identities
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I don't know but I try it 3x+4y=7xy is the wright Answer
xyz2213:
its wrong
you can see i have solved
ohh!
okay I'll see
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(3x+2y)^2
identity used
(a+b)^2 = a^2 +b^2+2ab
so
(3x) ^2 +(2y) ^2+2*3x*2y
9x^2+4y^2+12x^2y^2
take this sign ^ as square so 3x^2 means 3x the whole square.
hope you like it :-)
identity used
(a+b)^2 = a^2 +b^2+2ab
so
(3x) ^2 +(2y) ^2+2*3x*2y
9x^2+4y^2+12x^2y^2
take this sign ^ as square so 3x^2 means 3x the whole square.
hope you like it :-)
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