III. Short Answer Questions
14. Using the proper identity, simplify the following: (x² + x +1) (x2 - x +1)
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Answered by
0
Answer:
I don't know this questions answer sorry
Answered by
9
Answer:
x⁴+x²+1
Step-by-step explanation:
(x²+x+1)(x²)+(x²+x+1)(-x)+(x²+x+1)(1)
=(x⁴+x³+x²)+(-x³-x²-x)+(x²+x+1)
=x⁴+x³+x²-x³-x²-x+x²+x+1
by cancelling +x³-x³,+x²-x² and -x+x we get
x⁴+ x²+1
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