Question
Calculate the value
−22
Alternative Form
≈−2.828427
Evaluate
(38)−(48)
Simplify the root
More Steps

Evaluate
8
Write the expression as a product where the root of one of the factors can be evaluated
4×2
Write the number in exponential form with the base of 2
22×2
The root of a product is equal to the product of the roots of each factor
22×2
Reduce the index of the radical and exponent with 2
22
(3×22)−(48)
Multiply the terms
62−(48)
Simplify the root
More Steps

Evaluate
8
Write the expression as a product where the root of one of the factors can be evaluated
4×2
Write the number in exponential form with the base of 2
22×2
The root of a product is equal to the product of the roots of each factor
22×2
Reduce the index of the radical and exponent with 2
22
62−(4×22)
Multiply the terms
62−82
Collect like terms by calculating the sum or difference of their coefficients
(6−8)2
Solution
−22
Alternative Form
≈−2.828427
Show Solution
