dillongavin33 dillongavin33
  • 07-06-2021
  • Mathematics
contestada

x[tex]x^{2}-8x+14=2x-7[/tex]

Respuesta :

MrRoyal
MrRoyal MrRoyal
  • 12-06-2021

Answer:

[tex]x = 3\ or\ x = 7[/tex]

Step-by-step explanation:

Given

[tex]x^{2}-8x+14=2x-7[/tex]

Required

Solve

Equate to 0

[tex]x^{2}-8x-2x+14+7=0[/tex]

[tex]x^{2}-10x+21=0[/tex]

Expand

[tex]x^{2}-7x-3x+21=0[/tex]

Factorize

[tex]x(x-7)-3(x-7)=0[/tex]

Factor out x - 7

[tex](x-3)(x-7)=0[/tex]

Split

[tex]x - 3 = 0\ \ x - 7 = 0[/tex]

Solve

[tex]x = 3\ or\ x = 7[/tex]

Answer Link

Otras preguntas

A simple interest calculation provides a useful estimate of what compound interest will be if ___________. a. the dollar amount is small, b. the dollar amount i
discuss some of the humanitarian services that could be provided globally to all who don't currently have those services at a cost less than certain items consu
PLEASE HELP ASAP DUE TODAY NOW!!!!!!!!!!!
Which element does not form a stable ion with the same electronic configuration as neon? A Magnesium B Fluorine C Sodium D Chlorine
What is the major theme and minor theme in “Arachne and the weaving contest”
What two nations were central to foreign policy decisions under Washington?
Haemotoxylin and eosin is a common staining technique used in microscopy. Which of the following are reasons why cells need to be stained prior to microscopy?-
Helpppppppp plsss it’s due at 11:59
What is Saenga reflection on paragraph 26 of The winter hibiscus on how she felt?
- 3 (x + 8) ^ 2 - 3