tayk717 tayk717

17-12-2020
Mathematics

contestada

solve the equation.
2x2 - x-21 = 0

Respuesta :

indiraadhikari32l indiraadhikari32l

18-12-2020

Answer:

-17

Step-by-step explanation:

2×2-x-21=0

4-x=0+21

-x=21-4

x=-17

Answer Link

Otras preguntas

Restate this in your own words “The planning committee made a list of criteria and constraints they want to use to evaluate all the different solutions they hav

1 and 2 please help.

If g(x) = 2(x − 4), find the value of x if g(x) = 20. (2 points) a 32 b 12 c 14 d 10

I am Stuck and I need help So there is a question I am stuck on and I would appreciate it alot of I got elp Its a triangle squeezed in between 2 parrelel lines

What does pneumonoultramicroscopicsilicovolcanoconiosis mean???

Which of the following statements is true? 1. In order to use x2 procedures, each expected cell value of a one- or two-way table must contain a value of at leas

How many solutions does this system have? (24x - 9y = 3 8x - 3y = 1 - A. None B. One C. Infinite

aquarium 1 contains 18.6 gallons of water. jaythen will begin filling aquarium 1 at a rate of 1.2 gallons per minute. aquarium 2 contains 45.6 gallons of water.

what are the values of x in equation x^2-6+9=25

¿What are the 7 steps of action to help a choking adult with a severe airway block?