Question 70532
Divide x^4 + x^2 - 80
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x + 3 
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Using synthetic division you get:

-3)....1....0....1....0....-80
.........1...-3...10...-30..|.10

This means:
Quotient: x^3-x^2+10x-30
Remainder:10
Answer: c
Cheers,
Stan H.