Question
Simplify the expression
Solution
−240w3−3
Evaluate
−12w2×20w−3
Solution
More Steps

Evaluate
−12w2×20w
Multiply the terms
−240w2×w
Multiply the terms with the same base by adding their exponents
−240w2+1
Add the numbers
−240w3
−240w3−3
Show Solution
Factor the expression
Factor
−3(80w3+1)
Evaluate
−12w2×20w−3
Multiply
More Steps

Evaluate
−12w2×20w
Multiply the terms
−240w2×w
Multiply the terms with the same base by adding their exponents
−240w2+1
Add the numbers
−240w3
−240w3−3
Solution
−3(80w3+1)
Show Solution
Find the roots
Find the roots of the algebra expression
w=−203100
Alternative Form
w≈−0.232079
Evaluate
−12w2×20w−3
To find the roots of the expression,set the expression equal to 0
−12w2×20w−3=0
Multiply
More Steps

Multiply the terms
−12w2×20w
Multiply the terms
−240w2×w
Multiply the terms with the same base by adding their exponents
−240w2+1
Add the numbers
−240w3
−240w3−3=0
Move the constant to the right-hand side and change its sign
−240w3=0+3
Removing 0 doesn't change the value,so remove it from the expression
−240w3=3
Change the signs on both sides of the equation
240w3=−3
Divide both sides
240240w3=240−3
Divide the numbers
w3=240−3
Divide the numbers
More Steps

Evaluate
240−3
Cancel out the common factor 3
80−1
Use b−a=−ba=−ba to rewrite the fraction
−801
w3=−801
Take the 3-th root on both sides of the equation
3w3=3−801
Calculate
w=3−801
Solution
More Steps

Evaluate
3−801
An odd root of a negative radicand is always a negative
−3801
To take a root of a fraction,take the root of the numerator and denominator separately
−38031
Simplify the radical expression
−3801
Simplify the radical expression
More Steps

Evaluate
380
Write the expression as a product where the root of one of the factors can be evaluated
38×10
Write the number in exponential form with the base of 2
323×10
The root of a product is equal to the product of the roots of each factor
323×310
Reduce the index of the radical and exponent with 3
2310
−23101
Rewrite the expression
2310−1
Multiply by the Conjugate
2310×3102−3102
Simplify
2310×3102−3100
Multiply the numbers
More Steps

Evaluate
2310×3102
Multiply the terms
2×10
Multiply the terms
20
20−3100
Calculate
−203100
w=−203100
Alternative Form
w≈−0.232079
Show Solution