CristianBen
CristianBen CristianBen
  • 22-08-2021
  • Mathematics
contestada

What are the solutions of this quadratic equation?

x^2 + 4 = 8x + 5

Respuesta :

badtestbot28 badtestbot28
  • 22-08-2021

Answer:

x=4±sqrt(17)

Step-by-step explanation:

x^2+4=8x+5

x^2-8x-1=0

Use quadratic formula

x=(8±sqrt(64+4))/2

Simplify it

x=4±sqrt(17)

Answer Link

Otras preguntas

why should the public have access to the technical records
Write a recursive formula and an explicit formula for the following arithmetic sequence. 4, 2, 0, -2, ...
Select a word from the Word Bank to correctly complete each statement. Alderdale Indian strange China main true story conditions vocabularies robber three Pap
If f(x) = -3 and g(x) = 4x2 + x - 4, find (f+9)(x). 2 A. X -1 A. 4x2 + 2x-1 B. 4x2 + -7 C. 4x2 +2x-1 7 X-1 D. 6x2 - 7
Complete the sentence with the correct answer. explain research. An essential question helps to describe,explain or focus ​
Which of the following is NOT a function of cardiovascular system? A: moving white blood cells to infection sites. B: moving oxygen throughout the body. C: buil
1. Which of the following characteristics is possessed by invertebrates? a) exoskeleton b) endoskeleton c) joint appendages d) cephalization
“Agriculture is a source of food and raw materials for industries”.Justifyy
A municipality with a city manager has which form of government? O strong mayor O council-manager O weak mayor O special-purpose
SOMEONE HELP ME ON THIS!!