Just subtract 2x3 - 5x2 + 17 from 10x3 - 2x2 + 11:
10x3 - 2x2 + 11
-(2x3 - 5x2 + 17)
-------------------------
?x3 + ?x2 + ?
Trina B.
asked 07/18/19The sum of two polynomials is 10x^3-2x^2+11
If one of the trinomials is 2x^3-5x^2+17, then explain and find the other trinomial that will make the sum correct.
Just subtract 2x3 - 5x2 + 17 from 10x3 - 2x2 + 11:
10x3 - 2x2 + 11
-(2x3 - 5x2 + 17)
-------------------------
?x3 + ?x2 + ?
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