Question
Solve the equation
x1=−26864,x2=26864
Alternative Form
x1≈−1.543082,x2≈1.543082
Evaluate
4x×x5=54
Multiply the terms
More Steps

Evaluate
x×x5
Use the product rule an×am=an+m to simplify the expression
x1+5
Add the numbers
x6
4x6=54
Divide both sides
44x6=454
Divide the numbers
x6=454
Cancel out the common factor 2
x6=227
Take the root of both sides of the equation and remember to use both positive and negative roots
x=±6227
Simplify the expression
More Steps

Evaluate
6227
To take a root of a fraction,take the root of the numerator and denominator separately
62627
Simplify the radical expression
More Steps

Evaluate
627
Write the number in exponential form with the base of 3
633
Reduce the index of the radical and exponent with 3
3
623
Multiply by the Conjugate
62×6253×625
Simplify
62×6253×632
Multiply the numbers
More Steps

Evaluate
3×632
Use na=mnam to expand the expression
633×632
The product of roots with the same index is equal to the root of the product
633×32
Calculate the product
6864
62×6256864
Multiply the numbers
More Steps

Evaluate
62×625
The product of roots with the same index is equal to the root of the product
62×25
Calculate the product
626
Reduce the index of the radical and exponent with 6
2
26864
x=±26864
Separate the equation into 2 possible cases
x=26864x=−26864
Solution
x1=−26864,x2=26864
Alternative Form
x1≈−1.543082,x2≈1.543082
Show Solution
