scoobydooyuck
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

What percent of 25 is 12? SIMPLE PLEASE EXPLAIN YOUR ANSWER AS WELL
Which of the following equations show how you would solve for mass if you knew the force acting on an object and the acceleration of an object? A) m= f/a B) m=
What is the permeter of 4 square?
Which of the following shows the polynomial below written in descending order? 4x2 - x + 8x6 + 3 + 2x10 A. 2x10 + 8x6 + 4x2 - x + 3 B. 8x6 + 4x2 + 3 + 2x1
_______ is a vast, treeless plain. a. pagoda b. gentry c. dowry d. steppe
Guysss I need help. What's the degree of a 90 degree angle
How do you solve the highlighted problem?
What are three kinds of insurance besides life and auto?
PLEASE I REALLY NEED HELP ASAP I DON'T UNDERSTAND PLUS I WILL MARK AS BRILLIANT WHO ANSWERS THESES. 18. In 2000, the circulation of a local newspaper was 3,250.
where in a cell does most ATP production take place. where do cells come from?