# HOW DO YOU FACTOR X^4 + X^3 + X^2 + X + 1?

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Required value = (x5)607 × x3 - (x5)407 × x3 + (x5)207 × x3 - (x5)7 × x3 + 1

= x3 - x3 + x3 - x3+ 1 = 1

∴ The correct answer is 1.

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