Question
Simplify the expression
21
Alternative Form
0.5
Evaluate
x1×2x−1
Evaluate
x×2x−1
Rewrite the expression
More Steps

Evaluate
2x−1
Express with a positive exponent using a−n=an1
2x1
Simplify
2x1
x×2x1
Cancel out the common factor x
1×21
Solution
21
Alternative Form
0.5
Show Solution

Find the roots
x∈∅
Evaluate
x1×2x−1
To find the roots of the expression,set the expression equal to 0
x1×2x−1=0
Find the domain
x1×2x−1=0,x=0
Calculate
x1×2x−1=0
Evaluate the power
x×2x−1=0
Rewrite the expression
More Steps

Evaluate
2x−1
Express with a positive exponent using a−n=an1
2x1
Simplify
2x1
x×2x1=0
Multiply the terms
More Steps

Multiply the terms
x×2x1
Cancel out the common factor x
1×21
Multiply the terms
21
21=0
Multiply both sides of the equation by LCD
21×2=0×2
Simplify the equation
1=0×2
Any expression multiplied by 0 equals 0
1=0
Solution
x∈∅
Show Solution
