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how do I solve this: (17x^3-5x^2+4x-3)-(5x^3-9x^2-8x+11) and putting the resulting polynomial in standard form?

1 answer

just collect like powers of x:

17x^3-5x^2+4x-3
-(5x^3-9x^2-8x+11)
---------------------
12x^3 + 4x^2 + 12x - 14
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