Question
Simplify the expression
Solution
−2z+2
Evaluate
−3z−(−z−2)
If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses
−3z+z+2
Solution
More Steps
Evaluate
−3z+z
Collect like terms by calculating the sum or difference of their coefficients
(−3+1)z
Add the numbers
−2z
−2z+2
Show Solution
Factor the expression
Factor
−2(z−1)
Evaluate
−3z−(−z−2)
If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses
−3z+z+2
Add the terms
More Steps
Evaluate
−3z+z
Collect like terms by calculating the sum or difference of their coefficients
(−3+1)z
Add the numbers
−2z
−2z+2
Solution
−2(z−1)
Show Solution
Find the roots
Find the roots of the algebra expression
z=1
Evaluate
−3z−(−z−2)
To find the roots of the expression,set the expression equal to 0
−3z−(−z−2)=0
Subtract the terms
More Steps
Simplify
−3z−(−z−2)
If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses
−3z+z+2
Add the terms
More Steps
Evaluate
−3z+z
Collect like terms by calculating the sum or difference of their coefficients
(−3+1)z
Add the numbers
−2z
−2z+2
−2z+2=0
Move the constant to the right-hand side and change its sign
−2z=0−2
Removing 0 doesn't change the value,so remove it from the expression
−2z=−2
Change the signs on both sides of the equation
2z=2
Divide both sides
22z=22
Divide the numbers
z=22
Solution
More Steps
Evaluate
22
Reduce the numbers
11
Calculate
1
z=1
Show Solution