Question
Simplify the expression
−10080x3−36
Evaluate
4x2×28x−364x2×28x−36
Multiply
More Steps

Multiply the terms
4x2×28x
Multiply the terms
112x2×x
Multiply the terms with the same base by adding their exponents
112x2+1
Add the numbers
112x3
112x3−364x2×28x−36
Multiply
More Steps

Multiply the terms
−364x2×28x
Multiply the terms
−10192x2×x
Multiply the terms with the same base by adding their exponents
−10192x2+1
Add the numbers
−10192x3
112x3−10192x3−36
Solution
More Steps

Evaluate
112x3−10192x3
Collect like terms by calculating the sum or difference of their coefficients
(112−10192)x3
Subtract the numbers
−10080x3
−10080x3−36
Show Solution

Factor the expression
−36(280x3+1)
Evaluate
4x2×28x−364x2×28x−36
Multiply
More Steps

Multiply the terms
4x2×28x
Multiply the terms
112x2×x
Multiply the terms with the same base by adding their exponents
112x2+1
Add the numbers
112x3
112x3−364x2×28x−36
Multiply
More Steps

Multiply the terms
364x2×28x
Multiply the terms
10192x2×x
Multiply the terms with the same base by adding their exponents
10192x2+1
Add the numbers
10192x3
112x3−10192x3−36
Subtract the terms
More Steps

Simplify
112x3−10192x3
Collect like terms by calculating the sum or difference of their coefficients
(112−10192)x3
Subtract the numbers
−10080x3
−10080x3−36
Solution
−36(280x3+1)
Show Solution

Find the roots
x=−7031225
Alternative Form
x≈−0.152855
Evaluate
4x2×28x−364x2×28x−36
To find the roots of the expression,set the expression equal to 0
4x2×28x−364x2×28x−36=0
Multiply
More Steps

Multiply the terms
4x2×28x
Multiply the terms
112x2×x
Multiply the terms with the same base by adding their exponents
112x2+1
Add the numbers
112x3
112x3−364x2×28x−36=0
Multiply
More Steps

Multiply the terms
364x2×28x
Multiply the terms
10192x2×x
Multiply the terms with the same base by adding their exponents
10192x2+1
Add the numbers
10192x3
112x3−10192x3−36=0
Subtract the terms
More Steps

Simplify
112x3−10192x3
Collect like terms by calculating the sum or difference of their coefficients
(112−10192)x3
Subtract the numbers
−10080x3
−10080x3−36=0
Move the constant to the right-hand side and change its sign
−10080x3=0+36
Removing 0 doesn't change the value,so remove it from the expression
−10080x3=36
Change the signs on both sides of the equation
10080x3=−36
Divide both sides
1008010080x3=10080−36
Divide the numbers
x3=10080−36
Divide the numbers
More Steps

Evaluate
10080−36
Cancel out the common factor 36
280−1
Use b−a=−ba=−ba to rewrite the fraction
−2801
x3=−2801
Take the 3-th root on both sides of the equation
3x3=3−2801
Calculate
x=3−2801
Solution
More Steps

Evaluate
3−2801
An odd root of a negative radicand is always a negative
−32801
To take a root of a fraction,take the root of the numerator and denominator separately
−328031
Simplify the radical expression
−32801
Simplify the radical expression
More Steps

Evaluate
3280
Write the expression as a product where the root of one of the factors can be evaluated
38×35
Write the number in exponential form with the base of 2
323×35
The root of a product is equal to the product of the roots of each factor
323×335
Reduce the index of the radical and exponent with 3
2335
−23351
Multiply by the Conjugate
2335×3352−3352
Simplify
2335×3352−31225
Multiply the numbers
More Steps

Evaluate
2335×3352
Multiply the terms
2×35
Multiply the terms
70
70−31225
Calculate
−7031225
x=−7031225
Alternative Form
x≈−0.152855
Show Solution
