Question

im subtracting

5x^4+3x^2-2x
-5x^4-3x^2+9x
_______________
0x^4+x^2+7x

is this right?

Answer 1

yes

Answer 2

If this is your problem
(5x^4 + 3x^2 - 2x) - (-5x^4 - 3x^2 + 9x)

Answer is
10x^4 + 6x^2 - 11x

Answer 3

thanks

Answer 4

If they're not in parenthesis, the answer is 7x

Write out exactly how it is in the book.