Question

Simplify (a + b) (c – d) + (a – b) (c + d) + 2(ac + bd)​

Answer 1

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Answer 2

Answer:

4ac

Step-by-step explanation:

=> (a+b)(c−d)+(a−b)(c+d)+2(ac+bd)

=> (ac+bc−ad−bd + (ac+ad−bc−bd) + 2(ac+bd)

=> 4ac

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