add : x cube plus 5x square plus 3x to 6x square minus 8x cube plus 8
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Answer:
11x²+3x-7x³+8
Step-by-step explanation:
x³+5x²+3x to 6x²-8x³+8
=x³+5x²+3x+6x²-8x³+8
=11x²+3x-7x³+8
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