Question

5.Simplify the following:
a. (a + b +c)(a + b - c)
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Answer 1

Answer:

let try

Step-by-step explanation:

(a+b)^2-c^2

=a^2+b^2+2ab-c^2

=a^2+b^2-c^2+2ab

Answer 2

Answer:

( a+b) 2 - c 2

= a 2 + b 2 + 2 ab - c 2

a 2 + b 2 - c 2 + 2 ab

Step-by-step explanation:

i hope it help you