3.4y$^2$ + 2y - 3
Work Step by Step
Re-write without parenthesis: (1.3y$^2$ + 5y) + (2.1y$^2$ - 3y - 3) 1.3y$^2$ + 5y + 2.1y$^2$ - 3y - 3 Combine Like terms: (1.3y$^2$ + 2.1y$^2$) + (5y - 3y) - 3 3.4y$^2$ + 2y - 3
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