Question

how to solve (-n-2n^4-5n^2)-(-8n^4+8n^3+4n^2)+(2n^4+7+4n)

Answer 1

first multiply the negative signs with the expressions they are been multiplied with

Answer 2

please dont just answer it
give step by step

Answer 3

and then what

Answer 4

now then arrange the expression is such a way that the variables with the same exponents are separated
Example
3x^2-5x+2x^2-3x
should be arranged
3x^2+2x^2-5x-3x

Answer 5

can you give a step by step on how to solve a problem like this or how to solve this problem