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

* Write ionic equation, including state symbols for the reaction ofSilver nitrate solution + sodium chloride solution = silver chloride + sodium nitrate solutio

Which sequence is modeled by the graph below?

What did this person do to be considered a leader? in your answer, you should list at least three actions and briefly explain the effects. you might need to fin

Urine is carried from the urinary bladder to the external environment by the?

(08.07 HC) An expression is shown below: f(x) = 2x²-3x - 5 Part A: What are the x-intercepts of the graph of f(x)? Show your work. (2 points) Part B: Is the ver

Which inequality is represented by the graph below? Check all that apply. A number line going from 4 to 14. An open circle is at 9. Everything to the left of th

evaluate the expression: 7 - 3 + 9 x 8 ÷ 2

Which of these molecules have all atoms lying in the same plane? a. cbr4 and nh3 b. pf5 c. nh3 and hcn d. so3 and hcn

Change the underlined words into the Subjunctive Mood and then record the corrected sentences. Finally, explain in English why each of the sentences requires th

We are earnestly desirous of securing their good will by acting toward them in a spirit of just and generous recognition of all their rights Which statement sum