Answer:
a
Explanation:
3x^2 - 2x^2= x^2
-2x + 5x = 3x
5- 1 =5
A
Opening the brackets, you get: 3x^2 - 2x + 5 - 2x^2 + 5x - 1
Simplifying, you get : x^2 + 3x + 4
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