Evaluate (complex solution)
x^{2}-5x+a-2=4\text{ and }x_{2}=-4
Solve for x
x=\frac{\sqrt{49-4a}+5}{2}
x=\frac{-\sqrt{49-4a}+5}{2}\text{, }x_{2}=-4\text{ and }a\leq \frac{49}{4}
Solve for x_2
x_{2}=-4
a=-\left(x-6\right)\left(x+1\right)
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