Question
Simplify the expression
2x5x
Evaluate
5(2x21)−1
Rewrite the expression
5×21x−21
Multiply the numbers
25x−21
Express with a positive exponent using a−n=an1
25×x211
Rewrite the expression
2x215
Use anm=nam to transform the expression
2x5
Multiply by the Conjugate
2x×x5x
Solution
2x5x
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Find the roots
x∈∅
Evaluate
5(2x21)−1
To find the roots of the expression,set the expression equal to 0
5(2x21)−1=0
Find the domain
More Steps

Evaluate
{x≥02x21=0
Calculate
More Steps

Evaluate
2x21=0
Rewrite the expression
x21=0
Calculate
x=0
{x≥0x=0
Find the intersection
x>0
5(2x21)−1=0,x>0
Calculate
5(2x21)−1=0
Multiply the terms
More Steps

Evaluate
5(2x21)−1
Rewrite the expression
5×21x−21
Multiply the numbers
25x−21
25x−21=0
Rewrite the expression
2x215=0
Cross multiply
5=2x21×0
Simplify the equation
5=0
Solution
x∈∅
Show Solution
