Answer:
a. 
Step-by-step explanation:
The given equation is;

To solve by the x-intercept method we need to graph the corresponding function using a graphing calculator or software.
The corresponding function is

The solution to
is where the graph touches the x-axis.
We can see from the graph that; the x-intercepts are;
(-1,0),(3,0) and (6,0).
Therefore the real solutions are:

(-2)^3
12^0
I don't know the rest
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Answer:
750 feet^2
Step-by-step explanation:
Area of triangle = 1/2bh
(1/2)(100)(15)
750 feet^2