Algebra
Calculus
Trigonometry
Matrix
Question
Simplify the expression
x−2x−2
Evaluate
x−21
Multiply by the Conjugate
x−2×x−21×x−2
Calculate
x−21×x−2
Solution
x−2x−2
Show Solution
Find the roots
x∈∅
Evaluate
x−21
To find the roots of the expression,set the expression equal to 0
x−21=0
Find the domain
More Steps
Evaluate
{x−2≥0x−2=0
Calculate
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Evaluate
x−2≥0
Move the constant to the right side
x≥0+2
Removing 0 doesn't change the value,so remove it from the expression
x≥2
{x≥2x−2=0
Calculate
More Steps
Evaluate
x−2=0
Calculate
x−2=0
Move the constant to the right side
x=0+2
Removing 0 doesn't change the value,so remove it from the expression
x=2
{x≥2x=2
Find the intersection
x>2
x−21=0,x>2
Calculate
x−21=0
Cross multiply
1=x−2×0
Simplify the equation
1=0
Solution
x∈∅
Show Solution