ninelamaturino ninelamaturino
  • 10-02-2022
  • Mathematics
contestada

2x^2-19x+9=0 does anyone know the answer

Respuesta :

Nepalieducation
Nepalieducation Nepalieducation
  • 10-02-2022

Answer:

x=1/2,x=9

Step-by-step explanation:

[tex]2x^{2} -19+9=0\\\\2x^{2} -18x-x+9=0\\\\2x(x-9)-1(x-9)=0\\\\(2x-1)(x-9)=0[/tex]

2x-1=0......I

x-9=0.......II

Solving I

2x-1=0

2x=1

x=1/2

Solving II

x-9=0

x=9

Answer Link

Otras preguntas

Which argument did many Americans make against the Alien and Sedition Acts? A. They allowed newspapers to publish unpatriotic stories. B. They were too expen
Which is colder, 0°C or 20°F?
What is the decimal expansion of the following fraction? 2/9
The period of of 440 Hz soundwave is how many seconds
Is 3 times as much as 40?
Which is not an appropriate classification for a triangle? A. right equilateral B. acute scalene C. obtuse isosceles D. right scalene
Which identifies all the integer solutions of the equation |x| = 12? A. 0 only B. 12 and –12 C. –12 only D. 12 only
Is 43 prime or composite
Haw many years ago was 300BC
show the calculation ? is 7/10 of 2 kilometers?