Question

(a+b)(c-d)+(a-b)(c+d)+2(ac+bd)
FIND ANS OF THIS QUESTION WITH FULL EXPLANATION....

Answer 1

(a+b)(c-d)+(a-b)(c+d)+2(ac+bd)

=ac - ad + bc - bd +(a-b)×(c+d)+2(ac+bd)

=ac-ad+bc-bd+ac+ad-bc-bd +2(ac +bd)

=ac-ad+bc-bd+ac+ad-bc-bd +2ac+2bd

= 4ac- bd - bd +2bd

=4ac + 0

=4ac is your answer

Answer 2

4ac is the answer.......