Two expressions
When x = 3 and y = 5, how much does the value of 3x2 – 2y exceed the value of 2x2 – 3y?
Correct answer:

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You need to know the following knowledge to solve this word math problem:
- algebra
- equation
- expression of a variable from the formula
- arithmetic
- square (second power, quadratic)
- subtraction
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