Question
Solve the equation
x=−237
Alternative Form
x≈−0.956466
Evaluate
2x3=−47
Multiply by the reciprocal
2x3×21=−47×21
Multiply
x3=−47×21
Multiply
More Steps

Evaluate
−47×21
To multiply the fractions,multiply the numerators and denominators separately
−4×27
Multiply the numbers
−87
x3=−87
Take the 3-th root on both sides of the equation
3x3=3−87
Calculate
x=3−87
Solution
More Steps

Evaluate
3−87
An odd root of a negative radicand is always a negative
−387
To take a root of a fraction,take the root of the numerator and denominator separately
−3837
Simplify the radical expression
More Steps

Evaluate
38
Write the number in exponential form with the base of 2
323
Reduce the index of the radical and exponent with 3
2
−237
x=−237
Alternative Form
x≈−0.956466
Show Solution
