Question

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

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Answer 1

Answer:

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

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

4ac + 2ad +bc-bc -bd-bd+bd

4ac + 2ad -bd

hope it helped u

Answer 2

Answer:

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

now we multiply each other

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

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

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

=4ac

Step-by-step explanation:

hope it will help mark released