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Factor x3 + x2 + x + 1 by grouping. What is the resulting expression?
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Jun 14, 2019
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Factor x3 + x2 + x + 1 by grouping. What is the resulting expression?
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Braks
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Answer: answer is C.
Explanation:
Atomice
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Jun 14, 2019
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To factor by grouping, you group up the 1st 2 terms together and the last 2 terms together and then factor those pieces.
(x^3 + x^2) + (x + 1)
x^2(x + 1) + 1(x +1) - now factor out the (x + 1)
(x + 1)(x^2 + 1) - final answer
Emanuel Kluge
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Jun 18, 2019
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