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

The number of failures of a testing instrument from contamination particles on the product is a Poisson random variable with a mean of 0.025 failure per hour. a

HELP WILL MARK BRAINLIEST!!

The Pilgrims who settled in the Plymouth Colony created the Mayflower Compact. This was an agreement that they would govern themselves according to the laws cre

Which BEST shows where this function is only decreasing? A) −2 < x < 0.5 B) −∞ < x < −2 C) −2 < x < ∞ D) 0.5 < x < ∞

A project has a required return of 12.6 percent, an initial cash outflow of $42,100, and cash inflows of $16,500 in Year 1, $11,700 in Year 2, and $10,400 in Ye

Other than price, what issues affect a consumer’s decision to make a purchase

which of the following is the product of the rational expressions shown below? 7x/x-4•x/x+7

What is 3 and 1 tenth as a desimal

Which statements apply to the orbits of dwarf planets? A. Dwarf planets orbit the Sun. B. Pluto could collide with Jupiter. C. Dwarf planets are round. D. Pluto

Find the equation of the line parallel to the given line and passing through the given point y=3;(-2,7)