Question

(a+b)(c+d)+(a-b)(c-d)
give answer fast and I will mark you brainliest​

Answer 1

the correct question is

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

the answer is

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-2bd+2ac+2bd

= 4ac

pls mark me brainliest as you promised