Question
Simplify the expression
2x2
Evaluate
2(1−(1−(1−x2)−1)−1)−1
Solution
More Steps

Evaluate
(1−(1−(1−x2)−1)−1)−1
Express with a positive exponent using a−n=an1
1−(1−(1−x2)−1)−11
Rewrite the expression
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Evaluate
1−(1−(1−x2)−1)−1
Rewrite the expression
1+x21−x2
Reduce fractions to a common denominator
x2x2+x21−x2
Write all numerators above the common denominator
x2x2+1−x2
Calculate the sum or difference
x21
x211
Multiply by the reciprocal
1×x2
Any expression multiplied by 1 remains the same
x2
2x2
Show Solution

Find the roots
x=0
Evaluate
2(1−(1−(1−x2)−1)−1)−1
To find the roots of the expression,set the expression equal to 0
2(1−(1−(1−x2)−1)−1)−1=0
Find the domain
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Evaluate
1−x2=0
Rewrite the expression
−x2=−1
Change the signs on both sides of the equation
x2=1
Take the root of both sides of the equation and remember to use both positive and negative roots
x=±1
Simplify the expression
x=±1
Separate the inequality into 2 possible cases
{x=1x=−1
Find the intersection
x∈(−∞,−1)∪(−1,1)∪(1,+∞)
2(1−(1−(1−x2)−1)−1)−1=0,x∈(−∞,−1)∪(−1,1)∪(1,+∞)
Calculate
2(1−(1−(1−x2)−1)−1)−1=0
Rewrite the expression
More Steps

Evaluate
(1−(1−(1−x2)−1)−1)−1
Express with a positive exponent using a−n=an1
1−(1−(1−x2)−1)−11
Rewrite the expression
More Steps

Evaluate
1−(1−(1−x2)−1)−1
Rewrite the expression
1+x21−x2
Reduce fractions to a common denominator
x2x2+x21−x2
Write all numerators above the common denominator
x2x2+1−x2
Calculate the sum or difference
x21
x211
Multiply by the reciprocal
1×x2
Any expression multiplied by 1 remains the same
x2
2x2=0
Simplify
x2=0
The only way a power can be 0 is when the base equals 0
x=0
Check if the solution is in the defined range
x=0,x∈(−∞,−1)∪(−1,1)∪(1,+∞)
Solution
x=0
Show Solution
