SOLUTION: Factor each expression.
1. 216x^3 – 1
2. 8x^3 + 125
3. x^4 – 5x^2 + 4
Please any help???
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Question 546994: Factor each expression.
1. 216x^3 – 1
2. 8x^3 + 125
3. x^4 – 5x^2 + 4
Please any help???
Answer by Earlsdon(6294) (Show Source): You can put this solution on YOUR website!
Factor:
1. This is a difference of two cubes which can be factored thus:
=
2. This is a sum of two cubes which can be factored thus:
=
3. Temporarily change the varible:
Substitute
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