Pre Algebra HELP
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6x²y³ + 9x²y³ 15x²y³  =  3x²y² 3x²y² = (15/3) (x²/x²) (y³/y²) = 5y Just want it to know if is correct, but don't y³ + y³ = 2y³? I'm confused now. Can someone please help? yes, the answer is
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