Math, asked by gandhimaurya20, 1 month ago

factorise: a² - (2a + 3b)²

Answers

Answered by tamannaclasses

1

Step-by-step explanation:

a2−(2a+3b)2

(2a+3b)2: 4a2+12ab+9b2

=a2−(4a2+12ab+9b2)

−(4a2+12ab+9b2): −4a2−12ab−9b2

=a2−4a2−12ab−9b2

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