Algebra
Calculus
Trigonometry
Matrix
Question
Simplify the expression
12+6x
Evaluate
5+2x+7+4x
Add the numbers
12+2x+4x
Solution
More Steps
Evaluate
2x+4x
Collect like terms by calculating the sum or difference of their coefficients
(2+4)x
Add the numbers
6x
12+6x
Show Solution
Factor the expression
6(2+x)
Evaluate
5+2x+7+4x
Add the numbers
12+2x+4x
Add the terms
More Steps
Evaluate
2x+4x
Collect like terms by calculating the sum or difference of their coefficients
(2+4)x
Add the numbers
6x
12+6x
Solution
6(2+x)
Show Solution
Find the roots
x=−2
Evaluate
5+2x+7+4x
To find the roots of the expression,set the expression equal to 0
5+2x+7+4x=0
Add the terms
More Steps
Evaluate
5+2x+7+4x
Add the numbers
12+2x+4x
Add the terms
More Steps
Evaluate
2x+4x
Collect like terms by calculating the sum or difference of their coefficients
(2+4)x
Add the numbers
6x
12+6x
12+6x=0
Move the constant to the right-hand side and change its sign
6x=0−12
Removing 0 doesn't change the value,so remove it from the expression
6x=−12
Divide both sides
66x=6−12
Divide the numbers
x=6−12
Solution
More Steps
Evaluate
6−12
Reduce the numbers
1−2
Calculate
−2
x=−2
Show Solution