Question
Simplify the expression
868h4−16
Evaluate
h4×868−16
Solution
868h4−16
Show Solution

Factor the expression
4(217h4−4)
Evaluate
h4×868−16
Use the commutative property to reorder the terms
868h4−16
Solution
4(217h4−4)
Show Solution

Find the roots
h1=−21744×2173,h2=21744×2173
Alternative Form
h1≈−0.368468,h2≈0.368468
Evaluate
h4×868−16
To find the roots of the expression,set the expression equal to 0
h4×868−16=0
Use the commutative property to reorder the terms
868h4−16=0
Move the constant to the right-hand side and change its sign
868h4=0+16
Removing 0 doesn't change the value,so remove it from the expression
868h4=16
Divide both sides
868868h4=86816
Divide the numbers
h4=86816
Cancel out the common factor 4
h4=2174
Take the root of both sides of the equation and remember to use both positive and negative roots
h=±42174
Simplify the expression
More Steps

Evaluate
42174
To take a root of a fraction,take the root of the numerator and denominator separately
421744
Simplify the radical expression
More Steps

Evaluate
44
Write the number in exponential form with the base of 2
422
Reduce the index of the radical and exponent with 2
2
42172
Multiply by the Conjugate
4217×421732×42173
Multiply the numbers
More Steps

Evaluate
2×42173
Use na=mnam to expand the expression
422×42173
The product of roots with the same index is equal to the root of the product
422×2173
Calculate the product
44×2173
4217×4217344×2173
Multiply the numbers
More Steps

Evaluate
4217×42173
The product of roots with the same index is equal to the root of the product
4217×2173
Calculate the product
42174
Reduce the index of the radical and exponent with 4
217
21744×2173
h=±21744×2173
Separate the equation into 2 possible cases
h=21744×2173h=−21744×2173
Solution
h1=−21744×2173,h2=21744×2173
Alternative Form
h1≈−0.368468,h2≈0.368468
Show Solution
