Combine like terms. 12x²+9x³-5x³-5²-3x²-8x⁴

asked Dec 23, 2018 12.4k views

3 votes

Combine like terms.
12x²+9x³-5x³-5²-3x²-8x⁴

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1 vote

The like terms have the same degree.
Answer
-8x⁴ + 4x³ + 4x²

Pheonix answered Dec 24, 2018

7.2k points

4 votes

like terms are similar in exponents.
12x^2 can be combined with -3x^2
9x^3 with -5x^3
-8x^4 is on its own
Final=
-8x^4 + 4x^3 + 4x^2

Sam Oliver answered Dec 27, 2018

6.1k points

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