Question
Simplify the expression
−15x3
Evaluate
x3−4x2×4x
Multiply
More Steps

Multiply the terms
4x2×4x
Multiply the terms
16x2×x
Multiply the terms with the same base by adding their exponents
16x2+1
Add the numbers
16x3
x3−16x3
Collect like terms by calculating the sum or difference of their coefficients
(1−16)x3
Solution
−15x3
Show Solution

Find the roots
x=0
Evaluate
x3−4x2×4x
To find the roots of the expression,set the expression equal to 0
x3−4x2×4x=0
Multiply
More Steps

Multiply the terms
4x2×4x
Multiply the terms
16x2×x
Multiply the terms with the same base by adding their exponents
16x2+1
Add the numbers
16x3
x3−16x3=0
Subtract the terms
More Steps

Simplify
x3−16x3
Collect like terms by calculating the sum or difference of their coefficients
(1−16)x3
Subtract the numbers
−15x3
−15x3=0
Change the signs on both sides of the equation
15x3=0
Rewrite the expression
x3=0
Solution
x=0
Show Solution
