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

True or false? Four eighths is equal to five twelves?

The addition of which of the following sentences would create an effective paragraph? Dogs and cats are both fantastic pets. Dogs are loving and playful. Cats a

What was one of Kublai Khan’s achievements?

CupCaking, a cupcake bakery, uses the equation below to determine the price of cupcakes, where y represents the total price in dollars and x represents the numb

Five times the difference of a number and 8 is 45.

Emily has clearly stated to her boyfriend that she doesn't want to have sex, and she has offered alternatives for sharing time together. Nevertheless, her boyfr

The earths diameter through the equator is about 8000 miles. What is the earths estimated diameter written as a whole number multiplied by a power of ten

True or false? The movement of matter cannot occur without energy transfer.

Personification for the big bear

What is the discount of 97.99 83.30