Algebra
Calculus
Trigonometry
Matrix
Question
Simplify the expression
6
Evaluate
(9m−1)−(9m−7)
Remove the parentheses
9m−1−(9m−7)
If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses
9m−1−9m+7
The sum of two opposites equals 0
More Steps
Evaluate
9m−9m
Collect like terms
(9−9)m
Add the coefficients
0×m
Calculate
0
0−1+7
Remove 0
−1+7
Solution
6
Show Solution
Find the roots
m∈∅
Evaluate
(9m−1)−(9m−7)
To find the roots of the expression,set the expression equal to 0
(9m−1)−(9m−7)=0
Remove the parentheses
9m−1−(9m−7)=0
Subtract the terms
More Steps
Simplify
9m−1−(9m−7)
If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses
9m−1−9m+7
The sum of two opposites equals 0
More Steps
Evaluate
9m−9m
Collect like terms
(9−9)m
Add the coefficients
0×m
Calculate
0
0−1+7
Remove 0
−1+7
Add the numbers
6
6=0
Solution
m∈∅
Show Solution