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

3 years ago
OpenStudy (anonymous):

Add like terms (variables with the same exponents)

3 years ago
OpenStudy (anonymous):

x^4 -3x + 1, 4x^2 - 2x + 8, and x^3 - 9 = x^4 + x^3+4x^2 -3x - 2x+8-9

3 years ago
OpenStudy (anonymous):

finish it up and you've got the answer in descending powers of x

3 years ago