Question
Solve the equation
Solve for x
x1=−30427000,x2=30427000
Alternative Form
x1≈−0.427287,x2≈0.427287
Evaluate
x÷2x5=15
Find the domain
More Steps

Evaluate
2x5=0
Rewrite the expression
x5=0
The only way a power can not be 0 is when the base not equals 0
x=0
x÷2x5=15,x=0
Divide the terms
More Steps

Evaluate
x÷2x5
Rewrite the expression
2x5x
Use the product rule aman=an−m to simplify the expression
2x5−11
Reduce the fraction
2x41
2x41=15
Cross multiply
1=2x4×15
Simplify the equation
1=30x4
Swap the sides of the equation
30x4=1
Divide both sides
3030x4=301
Divide the numbers
x4=301
Take the root of both sides of the equation and remember to use both positive and negative roots
x=±4301
Simplify the expression
More Steps

Evaluate
4301
To take a root of a fraction,take the root of the numerator and denominator separately
43041
Simplify the radical expression
4301
Multiply by the Conjugate
430×43034303
Simplify
430×4303427000
Multiply the numbers
More Steps

Evaluate
430×4303
The product of roots with the same index is equal to the root of the product
430×303
Calculate the product
4304
Reduce the index of the radical and exponent with 4
30
30427000
x=±30427000
Separate the equation into 2 possible cases
x=30427000x=−30427000
Check if the solution is in the defined range
x=30427000x=−30427000,x=0
Find the intersection of the solution and the defined range
x=30427000x=−30427000
Solution
x1=−30427000,x2=30427000
Alternative Form
x1≈−0.427287,x2≈0.427287
Show Solution