Question

simplify
(a+b+c)(a+b-c)
​

Answer 1

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

${a}^{2} + {b}^{2} - {c}^{2} + 2ab - 2ac - 2bc$

hope it help❣

Answer 2

Answer:

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

a^2+ba+ac+ba+b^2+bc-ac-bc-c^2

a^2+2ba+b^2-c^2