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(x+1) is a factor of the polyonmial |
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Answer» Step-by-step explanation: Let assume (x + 1) is a FACTOR of X3 + x2 + x+1.So, x = -1 is ZERO of x3 + x2 + x+1(-1)3 + (-1)2 + (-1) + 1 = 0 ⇒ -1+1-1 + 1 = 0 ⇒ 0 = 0Hence, our assumption is true... |
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