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HELPP PLZZZ I NEED TO FIND WHAT GOES IN THE QUESTION MARK (10x^2+10x^3-9x^4)-(4x^3+?-8x^2)=-19x^4+6x^3+18x^2
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HELPP PLZZZ I NEED TO FIND WHAT GOES IN THE QUESTION MARK

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

User Dunfield
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1 Answer

1 vote
?=10x^4 hope this helps
User Norman Ramsey
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