Use the numerical solver on your graphing calculator to find a solution for the equation in the interval [4,7].
x
3
−
2.2
x
2
−
18.11
x
=
−
42.312
\displaystyle {x}^{{3}}-{2.2}{x}^{{2}}-{18.11}{x}=-{42.312}
x
3
−
2.2
x
2
−
18.11
x
=
−
42.312
Make sure your answer is accurate to at least two decimals
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