Question

(a-b+c ) (a+b-c) ..... simplify it on basis of (a+b)(a-b)



plz solve as fast as possible ​

Answer 1

Answer:

a(a+b-c) -b(a+b-c) +c(a+b-c)

=> (a2+ab-ac) - (ab-b2+bc) + (ac+cb-c2)

=> a2+ab-ac-ab+b2-bc+ac+cb-c2

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

=> a2+b2-c2 (ANSWER)

Step-by-step explanation:

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