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

Notice the use of diction in the following sentences. Sentence A: The person walked toward the door.Sentence B: The stranger crept toward the door. What is the
exponential decay functions
Mr. Slater invested $100,000 in a portfolio that is contains 60% stocks and 40% bonds. Over the course of a year, the value of the stocks increased to 67%, and
which ending would be most satisfying
Need an answer whoever can do it thank youuu!!!!
Help please! Giving brainliest! Determine weather x and y show direct variation. If so, identify the constant of variation. y=3x+2
Calculate the kinetic energy of a tennis ball that has a mass of .056 kg and is moving at a speed of 44 m/s
When World War One began the US
please help, i need it done by today but dint know how to solve it
12e < -96 Solving one step inequalities (Please help! I need an actual answer not if it’s true or false / unidentified)