Final answer:
To simplify the expression (7-13x³-11x)-(2x³+8-4x⁵), distribute the negative sign to the terms inside the parentheses. Then, combine like terms.
Step-by-step explanation:
To simplify the expression (7-13x³-11x)-(2x³+8-4x⁵), we need to distribute the negative sign to the terms inside the parentheses. This gives us 7-13x³-11x-2x³-8+4x⁵. Now, we can combine like terms by adding or subtracting the coefficients of the same degree of x. In this case, we have -13x³-2x³, which equals -15x³, and -11x. So, the simplified expression becomes 7-15x³-11x-8+4x⁵.