Question
Simplify the expression
4x1
Evaluate
(21)×2x−1
Evaluate
21×2x−1
Rewrite the expression
More Steps

Evaluate
2x−1
Express with a positive exponent using a−n=an1
2x1
Simplify
2x1
21×2x1
Multiply the terms
2×2x1
Solution
4x1
Show Solution

Find the roots
x∈∅
Evaluate
(21)×2x−1
To find the roots of the expression,set the expression equal to 0
(21)×2x−1=0
Find the domain
(21)×2x−1=0,x=0
Calculate
(21)×2x−1=0
Remove the unnecessary parentheses
21×2x−1=0
Rewrite the expression
More Steps

Evaluate
2x−1
Express with a positive exponent using a−n=an1
2x1
Simplify
2x1
21×2x1=0
Multiply the terms
More Steps

Evaluate
21×2x1
Multiply the terms
2×2x1
Multiply the terms
4x1
4x1=0
Cross multiply
1=4x×0
Simplify the equation
1=0
Solution
x∈∅
Show Solution
