Question

ayudenme plis
f(x)= χ²+4x+8= 0

Answer 1

$\frac{ -b+\sqrt{b^{2}-4ac } }{2a} \frac{ -b-\sqrt{b^{2}-4ac } }{2a} a=1, b=4, c=8 Evaluado: x_{1}: -2+2 \sqrt{-1} x_{2}: -2-2 \sqrt{-1}$