2x - 32×5 factorise the following
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1
Answer:
We need to factorise 2x−32x
5
Here we can take 2x common.
Thus we have 2x−32x
5
=2x(1−16x
4
)
Further it can be written as 2x(1−16x
4
)=2x[1
2
−(4x
2
)
2
]
=2x(1−4x
2
)(1+4x
2
)
=2x(1+4x
2
)(1−2x)(1+2x)
Here we used (a
2
−b
2
)=(a+b)(a−b)
Thus factors are 2,x,(1+4x
2
),(1−2x),(1+2x).
Step-by-step explanation:
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