Question
Simplify the expression
−27n−1
Evaluate
7n−1−7n−27n
Solution
More Steps

Evaluate
7n−7n−27n
Collect like terms by calculating the sum or difference of their coefficients
(7−7−27)n
Subtract the numbers
−27n
−27n−1
Show Solution

Find the roots
n=−271
Alternative Form
n=−0.0˙37˙
Evaluate
7n−1−7n−27n
To find the roots of the expression,set the expression equal to 0
7n−1−7n−27n=0
Subtract the terms
More Steps

Simplify
7n−1−7n
The sum of two opposites equals 0
More Steps

Evaluate
7n−7n
Collect like terms
(7−7)n
Add the coefficients
0×n
Calculate
0
0−1
Remove 0
−1
−1−27n=0
Move the constant to the right-hand side and change its sign
−27n=0+1
Removing 0 doesn't change the value,so remove it from the expression
−27n=1
Change the signs on both sides of the equation
27n=−1
Divide both sides
2727n=27−1
Divide the numbers
n=27−1
Solution
n=−271
Alternative Form
n=−0.0˙37˙
Show Solution
