(a²-b²)(c²-d²)-4abcd Facrorise-
(Hint-(a²-b²)(c²-d²)-4abcd=(ac-bd)²-(bc+ad)²
The answer is-
(ac-bd+bc+ad)(ac-bd-bc-ad)
I just want the process. please
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(a²-b²)(c²-d²)-4abcd Facrorise-
(Hint-(a²-b²)(c²-d²)-4abcd=(ac-bd)²-(bc+ad)²
The answer is-
(ac-bd+bc+ad)(ac-bd-bc-ad)
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