Question

Aplicando la formula general, resuelva la ecuación

2x²-5x+2=0

Answer 1

$2x^2-5x+2=0 \\ \\ a=2 \\ b=-5 \\ c=2 \\ \\ x= \frac{-b\pm \sqrt{b^2-4ac} }{2a} =\frac{5\pm \sqrt{25-16} }{4} =\frac{5\pm3 }{4} = \left \{ {{x=2} \atop {x= \frac{1}{2} }} \right.$