Question

solution-
2οχ 2- 45y2

​

Answer 1

Answer:

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Step-by-step explanation:

20x

2

−45y

2

take out common in all terms,

5(4x

2

−9y

2

)

5((2x)

2

−(3y)

2

)

we know that a

2

−b

2

=(a+b)(a−b)

5(2x+3y)(2x−3y)