How do you combine #(5x^2 - 3x^2y + 2y^2x - y) - (2xy^2 - y - 5x^2 + 3yx^2)#?
1 Answer
May 2, 2015
The answer is
Combine:
Make the variables consistent.
The minus sign in front of the second set of parentheses is like multiplying by
Remove the second set of parentheses and change the signs of the terms.
Remove the first set of parentheses.
Combine like terms.