Question

simplify (a+b+c) ( a+b-c)
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Answer 1

Step-by-step explanation:

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Answer 2

Answer:

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

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

) c) = (a x a) + (a x b) - (a x c) + (b x a) + (b x b) – (b x c)

+ (c x a) + (c x b) (c x c)

= a2 + ab - ac + ba + b2 - bc + ca + cb - c2

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

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

= a?2+ b2 - c2 + 2ab

hope this helps u