12. Raul invests $6500 at a simple interest rate of 4%. How much will he earn
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Let f(x)=0.
Using the zero-factor property, equate each factor to 0 and then solve for x.
Thus, the zeros of the given function are 6 and -5.
The zeros are the x-coordinate where the graph touches the x-axis.
Thus, the x-coordinates of where the graph touches the x-axis are -5, and 6.
