Question

^2 – ( + 2) + 2 factorise​

Answer 1

Answer:

Given : x

2

−2+

x

2

1

−y

2

We can further write it as

x

2

−2+

x

2

1

−y

2

=(x

2

−2×x

2

×

x

2

1

+

x

2

1

)−y

2

So we get

x

2

−2+

x

2

1

−y

2

=(x−

x

1

)

2

−y

2

Based on the equation a

2

−b

2

=(a+b)(a−b)

We get,

x

2

−2+

x

2

1

−y

2

=(x−

x

1

+y)(x−

x

1

−y)

Answer 2

Answer:

Answer

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Given : x2−2+x21−y2

We can further write it as

x2−2+x21−y2=(x2−2×x2×x21+x21)−y2

So we get

x2−2+x21−y2=(x−x1)2−y2

Based on the equation a2−b2=(a+b)(a−b)

We get,

x2−2+x21−y2=(x−x1+y)(x

Step-by-step explanation:

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