What should be added to 4x⁴ +5x³-2x² +5x to get 5x⁴+11x-8?
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Answer:
x^4 - 5x³ - 2x² + 6x -8
Step-by-step explanation:
(4x^4 +5x³ -2x² +5x) + (?) = 5x^4 +11x -8
(?) = (5x^4 +11x -8) - (4x^4 +5x³ -2x² +5x)
(?) = x^4 -5x³ -2x² +6x -8
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