SOLUTION: Add: (4x^3-3x+9)+(-2x^2-4) +(8x+3x^3) Subtract: (7x^2-3x+1)-(9x^2-7x-3) Thanks for the help in advance! Need back asap please

Algebra ->  Exponents -> SOLUTION: Add: (4x^3-3x+9)+(-2x^2-4) +(8x+3x^3) Subtract: (7x^2-3x+1)-(9x^2-7x-3) Thanks for the help in advance! Need back asap please       Log On


   

Question 631897: Add:
(4x^3-3x+9)+(-2x^2-4) +(8x+3x^3)
Subtract:
(7x^2-3x+1)-(9x^2-7x-3)
Thanks for the help in advance! Need back asap please
Answer by ewatrrr(24785) About Me  (Show Source):
You can put this solution on YOUR website!
 

Hi,

 (4x^3-3x+9)+(-2x^2-4) +(8x + 3x^3) = 7x^3 -2x^2 + 5x +5



 (7x^2-3x+1)

-(9x^2-7x-3)



  7x^2-3x+ 1)

 -9x^2+7x+3

 -2x^2 + 4x + 4