When #x^2 +3x-4# is subtracted from #x^ 3+3x^2 -2x# what is the difference?
1 Answer
Nov 25, 2016
Explanation:
To find the difference, write the equation as:
Open the brackets, changing the sign according to the norm (multiplication of two negatives gives a positive, and of a negative and a positive gives a negative).
Group the like terms.
Combine like terms, taking note of the appropriate signs.