Algebra
Calculus
Trigonometry
Matrix
Question
Simplify the expression
14v+2
Evaluate
(7v−2)−(−7v−4)
Remove the parentheses
7v−2−(−7v−4)
If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses
7v−2+7v+4
Add the terms
More Steps
Evaluate
7v+7v
Collect like terms by calculating the sum or difference of their coefficients
(7+7)v
Add the numbers
14v
14v−2+4
Solution
14v+2
Show Solution
Factor the expression
2(7v+1)
Evaluate
(7v−2)−(−7v−4)
Remove the parentheses
7v−2−(−7v−4)
If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses
7v−2+7v+4
Add the terms
More Steps
Evaluate
7v+7v
Collect like terms by calculating the sum or difference of their coefficients
(7+7)v
Add the numbers
14v
14v−2+4
Add the numbers
14v+2
Solution
2(7v+1)
Show Solution
Find the roots
v=−71
Alternative Form
v=−0.1˙42857˙
Evaluate
(7v−2)−(−7v−4)
To find the roots of the expression,set the expression equal to 0
(7v−2)−(−7v−4)=0
Remove the parentheses
7v−2−(−7v−4)=0
Subtract the terms
More Steps
Simplify
7v−2−(−7v−4)
If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses
7v−2+7v+4
Add the terms
More Steps
Evaluate
7v+7v
Collect like terms by calculating the sum or difference of their coefficients
(7+7)v
Add the numbers
14v
14v−2+4
Add the numbers
14v+2
14v+2=0
Move the constant to the right-hand side and change its sign
14v=0−2
Removing 0 doesn't change the value,so remove it from the expression
14v=−2
Divide both sides
1414v=14−2
Divide the numbers
v=14−2
Solution
More Steps
Evaluate
14−2
Cancel out the common factor 2
7−1
Use b−a=−ba=−ba to rewrite the fraction
−71
v=−71
Alternative Form
v=−0.1˙42857˙
Show Solution