Question
Solve the equation
x=−531050
Alternative Form
x≈−2.032793
Evaluate
−65×5x3−355=350
Multiply the numbers
More Steps

Evaluate
−65×5
Multiply the numbers
−65×5
Multiply the numbers
−625
−625x3−355=350
Move the constant to the right-hand side and change its sign
−625x3=350+355
Add the numbers
More Steps

Evaluate
350+355
Write all numerators above the common denominator
350+55
Add the numbers
3105
Reduce the numbers
135
Calculate
35
−625x3=35
Change the signs on both sides of the equation
625x3=−35
Multiply by the reciprocal
625x3×256=−35×256
Multiply
x3=−35×256
Multiply
More Steps

Evaluate
−35×256
Reduce the numbers
−7×56
Multiply the numbers
−57×6
Multiply the numbers
−542
x3=−542
Take the 3-th root on both sides of the equation
3x3=3−542
Calculate
x=3−542
Solution
More Steps

Evaluate
3−542
An odd root of a negative radicand is always a negative
−3542
To take a root of a fraction,take the root of the numerator and denominator separately
−35342
Multiply by the Conjugate
35×352−342×352
Simplify
35×352−342×325
Multiply the numbers
More Steps

Evaluate
−342×325
The product of roots with the same index is equal to the root of the product
−342×25
Calculate the product
−31050
35×352−31050
Multiply the numbers
More Steps

Evaluate
35×352
The product of roots with the same index is equal to the root of the product
35×52
Calculate the product
353
Reduce the index of the radical and exponent with 3
5
5−31050
Calculate
−531050
x=−531050
Alternative Form
x≈−2.032793
Show Solution
