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

Why is a catalyst shown above the arrow between the reactants and the products
How much work does the electric field do in moving a proton from a point with a potential of +130 v to a point where it is -70 v ? express your answer in joules
How do you Increase 28 by 7% and how
what is the value of the expression ?
Describe what normally happens to a persons blood sugar level soon after he or she needs a meal that contains carbohydrates
Can someone please help. I want make sure I am doing this right is the restriction -3 or 3
How does the u.s. constitution's structure reflect the values of the founding fathers?
How did Buddhism influence Asoka as a ruler?
if 90 is 80% of a value, what is that value
The force exerted on a surface by the weight of the air above it is what