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Answer: y^2 + 10x/2
Step-by-step explanation:
Combine multiplied terms into a single fraction
5x + 1/2 y^2
5x + 1y^2/2
Multiply by 1
5x + 1y^2/2
5x + y^2/2
Find common denominator
5x + y^2/2
2 • 5x/2 + y^2/2