tabascobees tabascobees

31-01-2022
Mathematics

contestada

Find all solutions of this equation by factoring.
x^4-20x^2+64=0

Respuesta :

Xignerso Xignerso

31-01-2022

[tex]Rewrite \: x¹ \: as (x²)²[/tex]

[tex](x²)² - 20x² + 64 = 0[/tex]

[tex]Let \: u = ² Substitute \: u \: for \: all \: occurrences \: of \: x²[/tex]

[tex]u² - 20u +64 = 0[/tex]

Answer Link

Otras preguntas

Hello, myself Joyee. I am very much weak at Math and never get good at it. Though i have so many problems to ask. PLZ help me. Firstly, I need to know about t

if 15 is the fifth number in a series of five consecutive odd numbers what is the third number in the series ?What is the answer is 11 or 9 ?? I think it's 11.

Terrance and Lakendra are going to GameStop for new video game controller and some new games. Their grandmother gave them a $125 gift card for this purpose. If

what are some famous last words?

if m + 4n = 2n + 8m ; what is the ratio of n to m ?a) 1:4, b) 1:-4, c) -4:1, d) 2:7, e) 7:2

if you can see the conductor in a lamp should you use it or not?

the question says evaluate 2a-b/b when a=4 and b=-3.How would I start this problem?

Name two types of structures erected by egyptian builders?

what is bereavement poetry?

Julia has 4 gallons 2 quarts of water.Ally needs the same amount of water but only has 12 quarts.How much more water does Ally need?