Question

(9x^4-9x^3-7)-(9x^2-x+8)

Answer 1

9x^4-9x^3-9x^2-15

Answer 2

just open the bracket

Answer 3

\[9x^4-9x^3-9x^2-15\]

Answer 4

do u want the roots of this polynomial ?

Answer 5

do i change the signs of the second polynomial?

Answer 6

in this case + becomes - and - becomes + after u open the braces on the right