Answer: 2x^2-2x-9
Step-by-step explanation:
subtract the numbers
x^2 + 6x-5+x^2-8x-4
X^2+6x-9+x^2-8x
then your gonna combine like terms
x^2+6x-9=x^2-8x
2x^2+6x-9-8x
combine like terms
2x^2-2x-9
solution
