What is x-5/x+7 - 3x2 when x=-2?
\(x=-2\)
\(x-\frac{5}{x}+7-3x^2\) = \(\frac {4-5-14+24}{-2}\) = \({\color{blue}- 4\frac {1}{2}}\)
\(\color{blue}= \frac{\left(x-1\right) ^{2}\times \left(x+\frac{5}{3} \right) }{x} \)
asinus :- ) !
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