mchanadam mchanadam
  • 03-08-2015
  • Mathematics
contestada

Solve each quadratic equation. Show your work.


14. (2x – 1)(x + 7) = 0

Respuesta :

Julik
Julik Julik
  • 03-08-2015
(2x – 1)(x + 7) = 0

2x-1=0
2x=1
x=1/2
x=0.5

x+7=0
x= -7
Answer Link
Аноним Аноним
  • 03-08-2015
solve your equation step-by-step.

(2x−1)(x+7)=0

Simplify both sides of the equation.

2x2+13x−7=0

Factor left side of equation.

(2x−1)(x+7)=0

Set factors equal to 0.

2x−1=0 or x+7=0

x=1/2 or x=−7

Answer Link

Otras preguntas

How do i solve this inequality? Number 46
When atp breaks down to adp, potential energy stored in bonds is released. this energy stored in bonds is __________ energy?
find the slope of the line that passes through these two points (-3,4); (2,-1)
Is chloral hydyrate still used in pediatric dentistry?
3 ways Shelley creates a gothic atmosphere in Frankenstein?
Which game is Computer Space based on? Space Invaders Galaxian Spacewar! Asteroids
You accidentally added 50 ml of distilled water to 33 ml of a 50 % (m/v) sucrose solution. what is the molarity of the diluted solution
What are three powers that have values greater than 500 and less than 550
what is the theme of the story The Garden Party? i have to write an essay on the theme so can u please explain why and all that? thanks!!
a electronic store sells a certain digital camera for $126. this is 2/3 of the price that a photography store charges. what is the cost of the camera at the pho