can someone show me how to get the sum, difference and product of this problem
2x^2-1∶ x^3- x^(2 )+ 2^x- 1
what does the ":" mean? If it just separates two polynomials, then if we call them f(x) and g(x),
f+g = x^3 + x^2 + 2x - 2
f-g = -x^3 + 3x^2 - 2x
f*g = 2x^5 - 2x^4 + 3x^3 - x^2 - 2x + 1