andrew7832 andrew7832
  • 17-04-2020
  • Mathematics
contestada

Solve 2x^2-3x-5 using the quadratic formula

Respuesta :

Hi1315
Hi1315 Hi1315
  • 17-04-2020

Answer:

[tex]2 {x}^{2} - 3x - 5 \\ 2 {x}^{2} - 5x + 2x - 5 \\ 2 {x}^{2} + 2x - 5x - 5 \\ 2x(x + 1) - 5(x + 1) \\ = (2x - 5)(x + 1)[/tex]

[tex]2x - 5 = 0 \\ 2x = 0 + 5 \\ \frac{2x}{2} = \frac{5}{2} \\ x = \frac{5}{2} [/tex]

[tex]x + 1 = 0 \\ x = - 1[/tex]

hope this helps you.....!

Answer Link

Otras preguntas

What is the area of the composite figure?
WILL MAKE BRANLIEST ANSWER TO WHOEVER ANSWERS THIS What is intended in "Revolutionary Tea" by singing about King George III as an "island queen?" to mock him a
How many 4-digit combinations of numbers are there such that no digits repeat and all of the digits are from 0 through 9? A. 10! B. 10P4 C. 10 • 9 •
What is the term given to drugs that kill brain cells
state one difference between solar cells and solar heating systems?
Does the following sentence have correct grammer? The second and third shifts were required to report to work four hours early for flood duty.
1.Which coordinates are not of the vertices of the feasible region for the system of inequalities? y < 4 x < 5 x + y > 6 Select one: a. (0,6) b. (5,1)
The earliest villages usually had about _______ residents.
If nominal gdp is $12 trillion and real gdp is $10 trillion, then the gdp deflator is
The completed construction of a regular hexagon is shown below. Explain why ACF is a 30º-60º-90º triangle.