Question
Solve the equation
k1=−3669579,k2=3669579
Alternative Form
k1≈−2.137758,k2≈2.137758
Evaluate
859=k6×9
Use the commutative property to reorder the terms
859=9k6
Swap the sides of the equation
9k6=859
Divide both sides
99k6=9859
Divide the numbers
k6=9859
Take the root of both sides of the equation and remember to use both positive and negative roots
k=±69859
Simplify the expression
More Steps

Evaluate
69859
To take a root of a fraction,take the root of the numerator and denominator separately
696859
Simplify the radical expression
More Steps

Evaluate
69
Write the number in exponential form with the base of 3
632
Reduce the index of the radical and exponent with 2
33
336859
Multiply by the Conjugate
33×3326859×332
Simplify
33×3326859×39
Multiply the numbers
More Steps

Evaluate
6859×39
Use na=mnam to expand the expression
6859×692
The product of roots with the same index is equal to the root of the product
6859×92
Calculate the product
669579
33×332669579
Multiply the numbers
More Steps

Evaluate
33×332
The product of roots with the same index is equal to the root of the product
33×32
Calculate the product
333
Reduce the index of the radical and exponent with 3
3
3669579
k=±3669579
Separate the equation into 2 possible cases
k=3669579k=−3669579
Solution
k1=−3669579,k2=3669579
Alternative Form
k1≈−2.137758,k2≈2.137758
Show Solution
