what does this polynomial equal to: (-5x2 - 4x3 -3) - (9x3 + 3x - 8x2)?

I need hrlp figuring out the answer to this polynominal: (-5x2 - 4x3 -3) - (9x3 + 3x - 8x2)
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1 Answer

The expression can be reduced to a single polynomial:

(-5x2-4x3-3)-(9x3+3x-8x2)=

-5x2-4x3-3-9x3-3x+8x2=

-4x3-9x3-5x2+8x2-3x-3=

-13x3+3x2-3x-3. Note that the powers of x are placed in descending order.

by Top Rated User (1.2m points)

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