The polynomial generated from the given zeros is: $ P(x) = 4x^2+7x-57 $
Step 1: Turn the zeros into factors:
| Zero | Factor |
| $ 3 $ | $ x-3 $ |
| $ -\dfrac{ 19 }{ 4 } $ | $ 4x+19 $ |
Step 2: Multiply the factors together:
$$ P(x) = \left( x-3 \right) \cdot \left( 4x+19 \right) = 4x^2+7x-57 $$