Question

factorise 20a2- 45b2 ​

Answer 1

Answer:

here is your answer

5(4a^2-9^b2)

Answer 2

Step-by-step explanation:

20a^2- 45b^2

20a^2- 45b^25(4a^2-9b^2)

20a^2- 45b^25(4a^2-9b^2)5(2a)^2-(3b)^2

20a^2- 45b^25(4a^2-9b^2)5(2a)^2-(3b)^25(2a+3b)(2a-3b).

hope it helps you mate....

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