SOLUTION: Will someone check this problem for me, I appreciate it very much: Subtract (0.5x^4-0.6x^2+0.7)- (2.3x^4+1.8x-3.9) -18x^4 -0.6x^2

SOLUTION: Will someone check this problem for me, I appreciate it very much: Subtract (0.5x^4-0.6x^2+0.7)- (2.3x^4+1.8x-3.9) -18x^4 -0.6x^2 - 1.8x +4.6 Did I do all the steps?

Question 455143: Will someone check this problem for me, I appreciate it very much:
Subtract
(0.5x^4-0.6x^2+0.7)- (2.3x^4+1.8x-3.9)
-18x^4 -0.6x^2 - 1.8x +4.6
Did I do all the steps?
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
You forgot the decimal point in the first coefficient:
-1.8x^4 -0.6x^2 - 1.8x +4.6