Math, asked by dikchapradhan, 4 months ago

(-b-c-a)×(-c-a-b)=?​

Answers

Answered by anamikasaiju2008
1

Answer:

a2+2ab+2ac+b2+2bc+c2

Step-by-step explanation:

(−b−c−a)(−c−a−b)

=(−b+−c+−a)(−c+−a+−b)

=(−b)(−c)+(−b)(−a)+(−b)(−b)+(−c)(−c)+(−c)(−a)+(−c)(−b)+(−a)(−c)+(−a)(−a)+(−a)(−b)

=bc+ab+b2+c2+ac+bc+ac+a2+ab

==a2+2ab+2ac+b2+2bc+c2

Answered by lalappahindinmani197
0

Answer:

ab+bc=hd3oelshsajqpajuwnoawnjwisne

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