scoobydooyuck scoobydooyuck

03-05-2018
Mathematics

contestada

Solve the quadratic in form equation x^4-14x^2+45=0

Respuesta :

kayeecheng2102p3s8sa kayeecheng2102p3s8sa

03-05-2018

x⁴-14x²+45=0
(x²) ²-14x²+45=0
let y=x²
y²-14y+45=0
(y-9) (y-5) =0
y=9 or y=5
x²=9 or x²=5
x=±3 or x=±√5

Answer Link

Otras preguntas

An atom that has fewer neutrons than protons and more electrons than protons is a(n) ion.

bad _____ causes many african nations with good resources to be very poor. a: weather b: government

Which vascular tissue is involved in the transport of starch found in fruit pulp?

which expression converts 8 radians to degrees?

Suppose there are 8 blue, 4 green, 11 yellow, and 7 red buttons in a bag. If you randomly pick out one button, what is the probability it is red or green?

Appreciate the need for specificity and relate this to the action of the above

is the following chemical equation balanced? agno3 nacl 4agcl nano3 yes no

the chorus has 35 members. which expression represents the number of ways a group of 6 members can be chosen to do a special performance?

Throughout act i of the tragedy of macbeth, macbeth s plans and actions seem to be motivated most of all by

Who moved to the american southwest in large numbers in the 1920s to work on farms and ranches as well as in mines and factories?