What must be subtracted from 5x^3 - 2x^2 + 6x + 7 to get x^3+3x^2 - x + 1
Answers
Answered by
1
Step-by-step explanation:
Let the expression be added be X. So, -4x3 + 5x2 − 7x -6 must be added to 5x3 − 2x2 + 6x + 7 to get the sum as x3 + 3x2 − x + 1.
Answered by
1
Answer:
6x^3+x^2+5x+8
Step-by-step explanation:
5x^3-2x^2+6x+7
+ x^3+3x^2+5x+1
=6x^3+x^2+5x+8
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