Math, asked by jiri, 1 year ago

2). expand (3a-5b-c)²

Answers

Answered by Priyaverma1234
3
9a square+25b square+c square -30ab+10bc-6ac
Answered by sneha060804
8
U can use the formula (a+b+c)² =a²+b²+c+ 2ab + 2bc+ 2ca
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