Question

(a+b)(c-d) +(a-b) +(c+b)+2(ab+cd)

Answer 1

Hey here is your answer

It is found that your question is wrong :-

Right question :-

$\color{blue} {\bold{(a+b)(c-d) +(a-b)(c+b)+2(ab+cd)}}$

(a + b)(c - d) + (a - b)(c + d) + 2(ab + cd)
a(c - d) + b(c - d) + a(c + d) - b(c + d) + 2ab + 2cd
ac - ad + bc - bd + ac + ad - bc - bd + 2ab + 2cd

by rearranging :-

ac + ac - ad + ad + bc - bc - bd - bd + 2ab + 2cd
2ac - 2bd + 2ab + 2cd
2(ac - bd + ab + cd)
answer

hope this helps you

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