Algebra
Calculus
Trigonometry
Matrix
Question
Simplify the expression
−2y−2
Evaluate
2y−2−4y
Solution
More Steps
Evaluate
2y−4y
Collect like terms by calculating the sum or difference of their coefficients
(2−4)y
Subtract the numbers
−2y
−2y−2
Show Solution
Factor the expression
−2(y+1)
Evaluate
2y−2−4y
Subtract the terms
More Steps
Evaluate
2y−4y
Collect like terms by calculating the sum or difference of their coefficients
(2−4)y
Subtract the numbers
−2y
−2y−2
Solution
−2(y+1)
Show Solution
Find the roots
y=−1
Evaluate
2y−2−4y
To find the roots of the expression,set the expression equal to 0
2y−2−4y=0
Subtract the terms
More Steps
Simplify
2y−2−4y
Subtract the terms
More Steps
Evaluate
2y−4y
Collect like terms by calculating the sum or difference of their coefficients
(2−4)y
Subtract the numbers
−2y
−2y−2
−2y−2=0
Move the constant to the right-hand side and change its sign
−2y=0+2
Removing 0 doesn't change the value,so remove it from the expression
−2y=2
Change the signs on both sides of the equation
2y=−2
Divide both sides
22y=2−2
Divide the numbers
y=2−2
Solution
More Steps
Evaluate
2−2
Reduce the numbers
1−1
Calculate
−1
y=−1
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