my choices are
A) 7x^3
B) 6x^2 - 9x
C) 6x^2 - 9x
D) 6x^2 + x
-4x + 6x^2 + 5x
Please help me
5 answers
well, 5x-4x = x, so what do you think?
So D?
looks good to me
Okay! Thank you!