Question

please solve with full process :21x^2-2x+1/21

Answer 1

$Heya$‼


$21x^2-2x+1/21=0$

$Multiplying\:whole\:by\:21$

$441x^2-42x+1=0$

$(21x)^2-2(21x)(1)+(1)^2=0$

$(21x-1)^2=0$

$(21x-1)(21x+1)=0$

$(21x-1)=0\:or\:(21x+1)=0$

$x=1/21\:or\:x=-1/21$

Answer 2

heya here is your answer