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#2**+3 **

This requires a numerical solution method. Draw a graph first to see where the solution(s) might lie.

.

Alan Dec 2, 2017

#3**+2 **

Agree with asinus....graphical method is easiest....here is my result from desmos calculator:

ElectricPavlov Dec 2, 2017

#4**+1 **

Humm ... I might need to slow down on the fermented bananas, I didn’t notice any mention of a graphical method by Asinus.

The graphical method may be the easiest when you are using a computerized graphing tool that iterates the value of (x) over a range that includes y=0.

Do it with graphing paper; calculate each plotted point with a calculator (or a slide rule) and then explain how it’s easier.

GA

GingerAle
Dec 2, 2017