1)Add the given polynomial
X^3 -2x^2-9. ,. 5x^3+2x+9
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Answer:
6x³-2x²+2x
Step-by-step explanation:
x³-2x²-9+5x³+2x+9
Collect like terms
x³+5x³-2x²+2x+9-9
= 6x³-2x²+2x
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