drish67 drish67
  • 13-03-2021
  • Mathematics
contestada

x^2-6x=b, make x the subject

Respuesta :

cwrw238 cwrw238
  • 13-03-2021

Answer:

x =  3 ±√(b + 9).

Step-by-step explanation:

We use Completing the Square:

x^2 - 6x = b

(x - 3)^2 - 9 = b

(x - 3)^2 = b + 9    Taking square roots of both sides:

x - 3 = ±√(b + 9)

x =  3 ±√(b + 9).

Answer Link

Otras preguntas

*I NEED HELP PLEASEEE
‼️‼️I NEED HELP REAL QUICK‼️‼️ what tribe in brazil has been assimilated, and which one has not???
How do cells respond if a complex organism is injured? O Cells work to repair the injured area through meiosis. O Cells form a blastocyst that contributes to t
guess what i was for halloween and ill give brainliest
Kiara is seeing Matt about a fever she has had for three days. She goes to the hospital but is not formally admitted. Which best describes Kiara and Matt? A. K
f(x) = x2 + 3 f(5) = 13 True False
what is the slope for RS
Which was a significant outcome of the end of the Warsaw Uprising? A Other uprisings were inspired. B Transportation of Jews to death camps ended. C Jewish figh
1. ¿Cuál amigo/a está en la clase de español con Mario?
Solve the inequality 2x + 9 < 4x + 3