{{ item.displayTitle }}

No history yet!

Student

Teacher

{{ item.displayTitle }}

{{ item.subject.displayTitle }}

{{ searchError }}

{{ courseTrack.displayTitle }} {{ statistics.percent }}% Sign in to view progress

{{ printedBook.courseTrack.name }} {{ printedBook.name }} a

b

$2x_{2}−50=0$

AddEqn$LHS+50=RHS+50$

$2x_{2}=50$

DivEqn$LHS/2=RHS/2$

$x_{2}=25$

SqrtEqn$LHS =RHS $

$x=±25 $

CalcRootCalculate root

$x=±5$

c

$18−2x_{2} =0$

AddEqn$LHS+2x_{2} =RHS+2x_{2} $

$18=2x_{2} $

MultEqn$LHS⋅2=RHS⋅2$

$36=x_{2}$

RearrangeEqnRearrange equation

$x_{2}=36$

SqrtEqn$LHS =RHS $

$x=±36 $

CalcRootCalculate root

$x=±6$