Question

4x2-x+1=x+3x2 como resolver?

Answer 1

4x2-x+1 = x+3x2
4x² -3x² -x-x+1=0
x² -2x +1=0
a=1 ,b= -2  ,c= +1
▲= (b)² -4.a.c= (-2)² -4.(1).(+1)= +4-4= 0

x=(-b ± √▲)/2.a
x=(-(-2) ± √0)/2.1
x=(+2 ± 0)/2
x'=(2+0)/2= 2/2= 1
x"=(2-0)/2= 2/2 = 1

S=1