Question

9-a square+2ab-b square​

Answer 1

Answer:

Given : 9−a square +2ab−b square

We can further write it as

9−a square +2ab−b square =9−(a square−2ab+b square )

So we get

9−a square +2ab−b square=3 square −(a−b)

Based on the equation a square −b square

=(a+b)(a−b)

We get,

9−a square+2ab−b square=(3+a−b)(3−a+b)

Step-by-step explanation:

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