Algebra
Calculus
Trigonometry
Matrix
Question
Simplify the expression
20x−18
Evaluate
8x−6(3−2x)
Expand the expression
More Steps
Calculate
−6(3−2x)
Apply the distributive property
−6×3−(−6×2x)
Multiply the numbers
−18−(−6×2x)
Multiply the numbers
−18−(−12x)
If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses
−18+12x
8x−18+12x
Solution
More Steps
Evaluate
8x+12x
Collect like terms by calculating the sum or difference of their coefficients
(8+12)x
Add the numbers
20x
20x−18
Show Solution
Factor the expression
2(10x−9)
Evaluate
8x−6(3−2x)
Simplify
More Steps
Evaluate
−6(3−2x)
Apply the distributive property
−6×3−6(−2x)
Multiply the terms
−18−6(−2x)
Multiply the terms
More Steps
Evaluate
−6(−2)
Multiplying or dividing an even number of negative terms equals a positive
6×2
Multiply the numbers
12
−18+12x
8x−18+12x
Add the terms
More Steps
Evaluate
8x+12x
Collect like terms by calculating the sum or difference of their coefficients
(8+12)x
Add the numbers
20x
20x−18
Solution
2(10x−9)
Show Solution
Find the roots
x=109
Alternative Form
x=0.9
Evaluate
8x−6(3−2x)
To find the roots of the expression,set the expression equal to 0
8x−6(3−2x)=0
Calculate
More Steps
Evaluate
8x−6(3−2x)
Expand the expression
More Steps
Calculate
−6(3−2x)
Apply the distributive property
−6×3−(−6×2x)
Multiply the numbers
−18−(−6×2x)
Multiply the numbers
−18−(−12x)
If a negative sign or a subtraction symbol appears outside parentheses, remove the parentheses and change the sign of every term within the parentheses
−18+12x
8x−18+12x
Add the terms
More Steps
Evaluate
8x+12x
Collect like terms by calculating the sum or difference of their coefficients
(8+12)x
Add the numbers
20x
20x−18
20x−18=0
Move the constant to the right-hand side and change its sign
20x=0+18
Removing 0 doesn't change the value,so remove it from the expression
20x=18
Divide both sides
2020x=2018
Divide the numbers
x=2018
Solution
x=109
Alternative Form
x=0.9
Show Solution