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Expand (a+b-2c)^2 it's urgent |
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Answer» (a+b-2C)(a+b-2c)=a(a+b-2c)+b(a+b-2c)-2c(a+b-2c)=a^2+ab-2ac+ab+b^2-2bc-2ca-2bc+4c^2=a^2+b^2+4c^2+2ab-4ac-4bcHere's the answer INSTA :@ALFA_THE_LEKHAK YOUTUBE :ALFA THE LEKHAK |
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