Algebra
Calculus
Trigonometry
Matrix
Question
Simplify the expression
28a−14b−13
Evaluate
9(2a−b)×2−4(2a−b)−13
Multiply the terms
18(2a−b)−4(2a−b)−13
Expand the expression
More Steps
Calculate
18(2a−b)
Apply the distributive property
18×2a−18b
Multiply the numbers
36a−18b
36a−18b−4(2a−b)−13
Expand the expression
More Steps
Calculate
−4(2a−b)
Apply the distributive property
−4×2a−(−4b)
Multiply the numbers
−8a−(−4b)
If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses
−8a+4b
36a−18b−8a+4b−13
Subtract the terms
More Steps
Evaluate
36a−8a
Collect like terms by calculating the sum or difference of their coefficients
(36−8)a
Subtract the numbers
28a
28a−18b+4b−13
Solution
More Steps
Evaluate
−18b+4b
Collect like terms by calculating the sum or difference of their coefficients
(−18+4)b
Add the numbers
−14b
28a−14b−13
Show Solution
