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OpenStudy (anonymous):
How would you simplify... (a+2b)(a+b+c)
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OpenStudy (anonymous):
a^2+3ab+ac+2bc+2b^2
OpenStudy (anonymous):
A simple way is see (a+2b)(a+b+c) would be 2a+3b+c because if its a variable (a letter) without a number there is an invisible 1 infront of it
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