irvingarteaga irvingarteaga
  • 04-01-2019
  • Mathematics
contestada

What are the solutions of a quadratic equation (X-8)2-13(x-8)+30=0

Respuesta :

offguard
offguard offguard
  • 04-01-2019

For know, just set x-8=y. You have the equation [tex]y^2-13y+30=0[/tex]

Solving for y, you get (y-10)(y-3)=0. So, y=10 and y=3.

But we need to add 8 each each because we are solving for x, not y.

So, x=18 and x=11 are your answers.


Answer Link

Otras preguntas

Which of the following best describes the matter present in an ecosystem? A. New matter is continuously generated by an ecosystem in a process known as photos
Compare this: |a| and 0
How do I do this math problem
Please help! I will mark brainlest.
I NEED AN ANSWER REALLY QUICK Why should I take personal finance
who was the Americans with Disabilities Act of 1990 proposed by
Carlo buys $14.40 worth of grapefruit. Each grapefruit costs $0.80. how many does he have
25 The library has an empty bookcase with 4 shelves. Each shelf can hold 23 chapter þooks. If the library has 117 new chapter books, how many will not fit on th
Find the general solution of DE 4y "+ y '= 0
Range of motion exercises to the lower extremities would be contraindicated in a resident with a history of