Question
Simplify the expression
3x3−12
Evaluate
x2×3x−12
Solution
More Steps

Evaluate
x2×3x
Multiply the terms with the same base by adding their exponents
x2+1×3
Add the numbers
x3×3
Use the commutative property to reorder the terms
3x3
3x3−12
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Factor the expression
3(x3−4)
Evaluate
x2×3x−12
Multiply
More Steps

Evaluate
x2×3x
Multiply the terms with the same base by adding their exponents
x2+1×3
Add the numbers
x3×3
Use the commutative property to reorder the terms
3x3
3x3−12
Solution
3(x3−4)
Show Solution

Find the roots
x=34
Alternative Form
x≈1.587401
Evaluate
x2×3x−12
To find the roots of the expression,set the expression equal to 0
x2×3x−12=0
Multiply
More Steps

Multiply the terms
x2×3x
Multiply the terms with the same base by adding their exponents
x2+1×3
Add the numbers
x3×3
Use the commutative property to reorder the terms
3x3
3x3−12=0
Move the constant to the right-hand side and change its sign
3x3=0+12
Removing 0 doesn't change the value,so remove it from the expression
3x3=12
Divide both sides
33x3=312
Divide the numbers
x3=312
Divide the numbers
More Steps

Evaluate
312
Reduce the numbers
14
Calculate
4
x3=4
Take the 3-th root on both sides of the equation
3x3=34
Solution
x=34
Alternative Form
x≈1.587401
Show Solution
