Question
Simplify the expression
−4100x3−4000
Evaluate
−100x2×41x−4000
Solution
More Steps

Evaluate
−100x2×41x
Multiply the terms
−4100x2×x
Multiply the terms with the same base by adding their exponents
−4100x2+1
Add the numbers
−4100x3
−4100x3−4000
Show Solution

Factor the expression
−100(41x3+40)
Evaluate
−100x2×41x−4000
Multiply
More Steps

Evaluate
−100x2×41x
Multiply the terms
−4100x2×x
Multiply the terms with the same base by adding their exponents
−4100x2+1
Add the numbers
−4100x3
−4100x3−4000
Solution
−100(41x3+40)
Show Solution

Find the roots
x=−41238405
Alternative Form
x≈−0.991803
Evaluate
−100x2×41x−4000
To find the roots of the expression,set the expression equal to 0
−100x2×41x−4000=0
Multiply
More Steps

Multiply the terms
−100x2×41x
Multiply the terms
−4100x2×x
Multiply the terms with the same base by adding their exponents
−4100x2+1
Add the numbers
−4100x3
−4100x3−4000=0
Move the constant to the right-hand side and change its sign
−4100x3=0+4000
Removing 0 doesn't change the value,so remove it from the expression
−4100x3=4000
Change the signs on both sides of the equation
4100x3=−4000
Divide both sides
41004100x3=4100−4000
Divide the numbers
x3=4100−4000
Divide the numbers
More Steps

Evaluate
4100−4000
Cancel out the common factor 100
41−40
Use b−a=−ba=−ba to rewrite the fraction
−4140
x3=−4140
Take the 3-th root on both sides of the equation
3x3=3−4140
Calculate
x=3−4140
Solution
More Steps

Evaluate
3−4140
An odd root of a negative radicand is always a negative
−34140
To take a root of a fraction,take the root of the numerator and denominator separately
−341340
Simplify the radical expression
More Steps

Evaluate
340
Write the expression as a product where the root of one of the factors can be evaluated
38×5
Write the number in exponential form with the base of 2
323×5
The root of a product is equal to the product of the roots of each factor
323×35
Reduce the index of the radical and exponent with 3
235
−341235
Multiply by the Conjugate
341×3412−235×3412
Simplify
341×3412−235×31681
Multiply the numbers
More Steps

Evaluate
35×31681
The product of roots with the same index is equal to the root of the product
35×1681
Calculate the product
38405
341×3412−238405
Multiply the numbers
More Steps

Evaluate
341×3412
The product of roots with the same index is equal to the root of the product
341×412
Calculate the product
3413
Reduce the index of the radical and exponent with 3
41
41−238405
Calculate
−41238405
x=−41238405
Alternative Form
x≈−0.991803
Show Solution
