Algebra
Calculus
Trigonometry
Matrix
Question
Simplify the expression
−1−a
Evaluate
aa−111−a
Divide the terms
1−111−a
Divide the terms
1−11−a
Covert the mixed number to an improper fraction
More Steps
Convert the expressions
11
Multiply the denominator of the fraction by the whole number and add the numerator of the fraction
11+1
Add the terms
2
1−2−a
Solution
−1−a
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Find the excluded values
a=0
Evaluate
aa−111−a
Solution
a=0
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Find the roots
a=−1
Evaluate
aa−111−a
To find the roots of the expression,set the expression equal to 0
aa−111−a=0
Find the domain
aa−111−a=0,a=0
Calculate
aa−111−a=0
Divide the terms
aa−11−a=0
Simplify the expression
1−11−a=0
Covert the mixed number to an improper fraction
More Steps
Convert the expressions
11
Multiply the denominator of the fraction by the whole number and add the numerator of the fraction
11+1
Add the terms
2
1−2−a=0
Subtract the numbers
−1−a=0
Move the constant to the right-hand side and change its sign
−a=0+1
Removing 0 doesn't change the value,so remove it from the expression
−a=1
Change the signs on both sides of the equation
a=−1
Check if the solution is in the defined range
a=−1,a=0
Solution
a=−1
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