Question

● (simplify) Q1...(a+b) (c-d) + (a-b) (c+d) + 2 ( ac + bd ).
● please give me a ans.​

Answer 1

Step-by-step explanation:

Now,

(a+b)(c−d)+(a−b)(c+d)+2(ac+bd)

=(ac+bc−ad−bd)+(ac+ad−bc−bd)+2(ac+bd)

=4ac.

Answer 2

Step-by-step explanation:

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