SOLUTION: Combine like terms. Write all answer in descending order. 3x^4-7x+x^4-2x This is what I came up with 3x^4-7x+x^4-2x (3x^4+x^4)(-7x+2x) (4x^4)(-5x) 20x

Algebra ->  Expressions-with-variables -> SOLUTION: Combine like terms. Write all answer in descending order. 3x^4-7x+x^4-2x This is what I came up with 3x^4-7x+x^4-2x (3x^4+x^4)(-7x+2x) (4x^4)(-5x) 20x      Log On


   



Question 400562: Combine like terms. Write all answer in descending order.
3x^4-7x+x^4-2x
This is what I came up with
3x^4-7x+x^4-2x
(3x^4+x^4)(-7x+2x)
(4x^4)(-5x)
20x

Answer by richard1234(7193) About Me  (Show Source):
You can put this solution on YOUR website!
They don't multiply. Also, the -7x and -2x combine to make a -9x. It should be

%283x%5E4+%2B+x%5E4%29+%2B+%28-7x+-+2x%29 which simplifies to

4x%5E4+-+9x