Question

factorise x2-6y2+6y-9​

Answer 1

Answer:

here is ur answer attached. Hope this will be helpful to u

Step-by-step explanation:

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Answer 2

Answer:

Given : x 2 −y 2 +6y−9

We can further write it as

x 2 −y 2 +6y−9=x 2 −(y 2 −6y+9)

So we get

x 2 −y 2 +6y−9=x 2 −(y 2−2×y×3+3 2 )x 2 −y 2+6y−9=x 2

−(y−3) 2

Based on the equation a

2

−b

2

=(a+b)(a−b)

We get,

x 2 −y 2+6y−9=[x+(y−3)][x−(y−3)]x 2−y 2 +6y−9=(x+y−3(x−y+3)