find a+b c+d answer fast
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Answer:
a+bc+d
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this equation cannot solved further
therfore, the is is this only
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Answer:From the basic identities we know that: [math](a+b)^2 = a^2+b^2+2ab[/math] [math](a+b+c)^2 = a^2+b^2+c^2+2ab+2bc+2ac[/math]
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