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 is the equation of the line that passes through (-9,12) and is perpendicular to the line whose equation is y=1/3x 6?

What kind of igneous rock usually contains large crystals?

Find the asymptote of f(x)=(2e^x +3e^3x) / (e^2x -e^3x)

The ratio of cups of sugar to cups of chocolate chips in a recipe is 2 : 4 if 36 cups of these ingredients are used, how many cups were sugar ?

A discount of 30% and a sale price of $206.50, what was the original price?

Which is an example of induction? A. As a balloon is rubbed against a person’s hair, the balloon becomes charged. B. As a metal rod is held near an object with

Which word in the sentence is the predicate nominative? my uncle was a dairy farmer for ten years. a. farmer b. years c. dairy d. uncle

Choose the most logical answer. The results he attained are _____. admiral admirable

Tina was sanitizing a surgical blade when the blade sliced through her glove and cut her finger. where does this exposure event need to be recorded?

Which gases are most reactive?