Question
Simplify the expression
243x2−108x
Evaluate
(9x−4)(3x×9)
Remove the parentheses
(9x−4)×3x×9
Multiply the terms
(9x−4)×27x
Multiply the terms
27x(9x−4)
Apply the distributive property
27x×9x−27x×4
Multiply the terms
More Steps

Evaluate
27x×9x
Multiply the numbers
243x×x
Multiply the terms
243x2
243x2−27x×4
Solution
243x2−108x
Show Solution

Find the roots
x1=0,x2=94
Alternative Form
x1=0,x2=0.4˙
Evaluate
(9x−4)(3x×9)
To find the roots of the expression,set the expression equal to 0
(9x−4)(3x×9)=0
Multiply the terms
(9x−4)×27x=0
Multiply the terms
27x(9x−4)=0
Elimination the left coefficient
x(9x−4)=0
Separate the equation into 2 possible cases
x=09x−4=0
Solve the equation
More Steps

Evaluate
9x−4=0
Move the constant to the right-hand side and change its sign
9x=0+4
Removing 0 doesn't change the value,so remove it from the expression
9x=4
Divide both sides
99x=94
Divide the numbers
x=94
x=0x=94
Solution
x1=0,x2=94
Alternative Form
x1=0,x2=0.4˙
Show Solution
