Math, asked by Rishi280107, 6 months ago

Factorise each of the following (a+3b)^2 - (2c+d)^2.

Answers

Answered by aman2803

1

Step-by-step explanation:

a2+9b2+2.a.3b - 4c2+d2+2.2c.d

a2+9b2+6ab-4c2-d2-4cd

a2+9b2-4c2-d2+6ab-4cd

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