Math, asked by kg7057391, 1 month ago

20a square minus 45b square

Answers

Answered by sangeetas178717

5

By simplifying further the above equation is 5(4a2 – 9b2)

By using the formula a2 – b2 = (a+b) (a-b)

Now solving for the above equation

5(4a2 – 9b2)

= 5((2a)2 – (3b)2)

= 5(2a+3b) (2a-3b)

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