Question
(−x×12)(3x−7)
Simplify the expression
−36x2+84x
Evaluate
(−x×12)(3x−7)
Remove the parentheses
−x×12(3x−7)
Use the commutative property to reorder the terms
−12x(3x−7)
Apply the distributive property
−12x×3x−(−12x×7)
Multiply the terms
More Steps

Evaluate
−12x×3x
Multiply the numbers
−36x×x
Multiply the terms
−36x2
−36x2−(−12x×7)
Multiply the numbers
−36x2−(−84x)
Solution
−36x2+84x
Show Solution

Find the roots
x1=0,x2=37
Alternative Form
x1=0,x2=2.3˙
Evaluate
(−x×12)(3x−7)
To find the roots of the expression,set the expression equal to 0
(−x×12)(3x−7)=0
Use the commutative property to reorder the terms
(−12x)(3x−7)=0
Remove the parentheses
−12x(3x−7)=0
Change the sign
12x(3x−7)=0
Elimination the left coefficient
x(3x−7)=0
Separate the equation into 2 possible cases
x=03x−7=0
Solve the equation
More Steps

Evaluate
3x−7=0
Move the constant to the right-hand side and change its sign
3x=0+7
Removing 0 doesn't change the value,so remove it from the expression
3x=7
Divide both sides
33x=37
Divide the numbers
x=37
x=0x=37
Solution
x1=0,x2=37
Alternative Form
x1=0,x2=2.3˙
Show Solution
