Question

5x²-3x-2= 0 resultado

Answer 1

$5 x^{2} -3x-2=0= \Delta= b^{2} -4.a.c= \Delta= -3^{2} -4.5.(-2)=9+40=49 x^{1} =-3-+ \sqrt{49} /2.5=-3+7/210=4/10  x^{2} =-3-+ \sqrt{49} /2.5=-3-7=-10/10=-1$

S={4,-5}
     10