SOLUTION: Factorise: a^2 - (c-d)^2

SOLUTION: Factorise: a^2 - (c-d)^2

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Question 1084509: Factorise: a^2 - (c-d)^2
Answer by math_helper(2461) (Show Source): You can put this solution on YOUR website!

Use the fact that to get:
=
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