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I need to find what takes the question marks place. help please i have limited time. i’ll give good review. (10x^2+10x^3-9x^4)-(4x^3+?-8x^2)=-19x^4+6x^3+18x^2

I need to find what takes the question marks place. help please i have limited time. i’ll give good review. (10x^2+10x^3-9x^4)-(4x^3+?-8x^2)=-19x^4+6x^3+18x^2
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I need to find what takes the question marks place. help please i have limited time. i’ll give good review.

(10x^2+10x^3-9x^4)-(4x^3+?-8x^2)=-19x^4+6x^3+18x^2

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User MayeulC
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1 Answer

3 votes
The answer is 10x^4 I think
answered
User FJDU
by
8.4k points
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