Simplify 28/2 to 14
16 + 14 - 6/10 - 4x^2
Simplify 6/10 to 3/5
16 + 14 - 3/5 - 4x^2
Collect like terms
-4x^2 + (16 + 14 - 3/5)
Simplify
-4x^2 + 147/5
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