anonymous1717 anonymous1717
  • 14-01-2019
  • Mathematics
contestada

PLEASE HELP!!!!!!!!! Solve by completing the square: X^2-8x=9

Respuesta :

Ammimochi
Ammimochi Ammimochi
  • 17-01-2019

Move all terms to one side

x^2 - 8x - 9 = 0

Factor x^2 - 8x - 9

(x - 9)(x + 1) = 0

Solve for x

x = 9, -1

Answer Link

Otras preguntas

the people on the train are jk the following ratios men:children=5:3 women:children=3:2 find the ratio men:women in its simplest form
One method of investment decision making that is appealing to managers is the accounting rate of return (ARR). This method measures the average profit over a pe
the people on the train are jk the following ratios men:children=5:3 women:children=3:2 find the ratio men:women in its simplest form
Two sides of a triangle have lengths 6 and 16. What must be true about the length of the third side?
Two sides of a triangle have lengths 6 and 16. What must be true about the length of the third side?
Create a flowchart to find the total of 10 negative numbers start from -1.
"Residential schools were established in Canada and the U.S. for the purpose of: A. Providing better quality of life for aboriginal communities B. Providing foo
Will you marry me ? ​
Create a flowchart to find the total of 10 negative numbers start from -1.
HI PLEASE HELP ON QUESTION ASAP WITH A GOOD ANSWER! 21PTS! ANY SILLY ANSWERS WILL BE DELETED / REPORTED. IF YOUR ANSWER AND EXPLINATION IS CORRECT I WILL RATE Y