Question

plz solve this problem using suitable identity​

Answer 1

Answer:

x^4-5^4

(x^2-5^2)^2

x^2-10x+25

Answer 2

Answer:

Using the identity a

2

−b

2

=(a+b)(a−b)

Using the above identity, the expression x

4

−625 can be factorised as follows:

x

4

−625=(x

2

)

2

−(25)

2

=(x

2

−25)(x

2

+25)=(x−5)(x+5)(x

2

+25)

Hence, x

4

−625=(x−5)(x+5)(x

2

+25)

Step-by-step explanation:

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