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OpenStudy (anonymous):
Add the following polynomials. Write your answer in descending powers of x. x^4 -3x + 1, 4x^2 - 2x + 8, and x^3 - 9
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OpenStudy (anonymous):
Add like terms (variables with the same exponents)
OpenStudy (anonymous):
x^4 -3x + 1, 4x^2 - 2x + 8, and x^3 - 9 = x^4 + x^3+4x^2 -3x - 2x+8-9
OpenStudy (anonymous):
finish it up and you've got the answer in descending powers of x
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