Question
Solve the equation
y1=−261872,y2=261872
Alternative Form
y1≈−1.755312,y2≈1.755312
Evaluate
4y5×y=117
Multiply
More Steps

Evaluate
4y5×y
Multiply the terms with the same base by adding their exponents
4y5+1
Add the numbers
4y6
4y6=117
Divide both sides
44y6=4117
Divide the numbers
y6=4117
Take the root of both sides of the equation and remember to use both positive and negative roots
y=±64117
Simplify the expression
More Steps

Evaluate
64117
To take a root of a fraction,take the root of the numerator and denominator separately
646117
Simplify the radical expression
More Steps

Evaluate
64
Write the number in exponential form with the base of 2
622
Reduce the index of the radical and exponent with 2
32
326117
Multiply by the Conjugate
32×3226117×322
Simplify
32×3226117×34
Multiply the numbers
More Steps

Evaluate
6117×34
Use na=mnam to expand the expression
6117×642
The product of roots with the same index is equal to the root of the product
6117×42
Calculate the product
61872
32×32261872
Multiply the numbers
More Steps

Evaluate
32×322
The product of roots with the same index is equal to the root of the product
32×22
Calculate the product
323
Reduce the index of the radical and exponent with 3
2
261872
y=±261872
Separate the equation into 2 possible cases
y=261872y=−261872
Solution
y1=−261872,y2=261872
Alternative Form
y1≈−1.755312,y2≈1.755312
Show Solution
