{20}x^(2) - {45}y^(2) ​

Question

`{20}x^(2) - {45}y^(2)`
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Answer 1

I believe it is 5(5x^2-9y^2)

Answer 2

5(4x^2-9y^2)

Explanation:

I assume you want to simplify the expression:

20x^2-45y^2

5(4x^2-9y^2)