Answer: 2x^2-y^2+5xy-2y
a. There is four terms in the simplified expression.
b. Two terms in the simplified expression are negative.
Step-by-step explanation:
Write the expression like an addition/ subtraction problem.
-3x²+2y²+5xy-2y
+5x²-3y²
_________
This makes it easier to identify what to combine for like terms.