Find the sum? 5x³-8x²+6x-3, x²-2x+15 and 16-4x³
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Answer:
x³ - 7x² + 4x + 28.
Step-by-step explanation:
5x³ - 8x² + 6x - 3 + x² -2x + 15 + 16 -4x³
= x³ -7x² +4x +28
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