Question

a²-b²+c²-d²-2(ac+bd)..(factorise)​

Answer 1

Step-by-step explanation:

Simplify: a2-b2+c2-d2-2(ac-bd)

=a2-b2+c2-d2-2ac-2bd

=(a2+c2-2ac)-(b2+d2-2bd)

=(a-c)2-(b-d)2

=(a-c+b-d)^ * (a-c-b+d)

[From the property, a2 - b2 = (a + b)(a - b)]

=(a+b-c-d)^ * (a-b-c+d)

hope it will help you ❤️