Algebra
Calculus
Trigonometry
Matrix
Question
Simplify the expression
−21z
Evaluate
6z−10z−9z−8z
Collect like terms by calculating the sum or difference of their coefficients
(6−10−9−8)z
Solution
−21z
Show Solution
Find the roots
z=0
Evaluate
6z−10z−9z−8z
To find the roots of the expression,set the expression equal to 0
6z−10z−9z−8z=0
Subtract the terms
More Steps
Simplify
6z−10z
Collect like terms by calculating the sum or difference of their coefficients
(6−10)z
Subtract the numbers
−4z
−4z−9z−8z=0
Subtract the terms
More Steps
Simplify
−4z−9z
Collect like terms by calculating the sum or difference of their coefficients
(−4−9)z
Subtract the numbers
−13z
−13z−8z=0
Subtract the terms
More Steps
Simplify
−13z−8z
Collect like terms by calculating the sum or difference of their coefficients
(−13−8)z
Subtract the numbers
−21z
−21z=0
Change the signs on both sides of the equation
21z=0
Solution
z=0
Show Solution