what should be added to x⁴+2x²-7 to obtain 4x⁴-3x³+x²+2?
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Answer:
Therefore, 3x^4-3x^3-x^2+9 should be added to find the required expression.
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Step-by-step explanation:
3x⁴ - 3x³ - x² + 9 is added to x⁴ + 2x² - 7 to obtain 4x⁴ - 3x³ + x² + 2 .
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