Math, asked by moondust, 8 months ago

factorise 20a^2- 45b^2

Answers

Answered by tanishasana20

7

Answer:

20a²-45b²

5(4a²-9b²)

5{(2a)²-(3b)²}

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

Step-by-step explanation:

hope it is helpful to you

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