Answer: -9x
Step-by-step explanation:
Collect all of the like terms.
-8x + x - 2x
-7x -2x
-<u>9x</u>
The correct answer is 49!
1)
3x^-1y^2x^3y^-1
when base are same powers add
3x^(-1+3)y^(-1+2)
3x^2y
2)
(-3) -(2)(-4)/(-2)-(-1)
(-3)+8/-2+1
-3+8/-1
5/-1
-5