Question

Multiply:(a-b+c)by(a-b-c)

Answer 1

Answer:

a(a-b-c)-b(a-b-c)+c(a-b-c) asquare-ab-ac-ba+bsquare+CB+ca-cb- csquare

aquare+bsquare-csquare

here's your answer mate

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Answer 2

(a-b+c)(a-b-c)
a(a-b-c)-b(a-b-c)+c(a-b-c)
a^2-ab-ac-ab+b^2+bc+ac-bc-c^2
a^2+b^2-c^2-2ab



Hope this helps
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