rahalneda
rahalneda rahalneda
  • 01-05-2019
  • Mathematics
contestada

Help please. Algebra one

Help please Algebra one class=

Respuesta :

maddielr17
maddielr17 maddielr17
  • 12-10-2020

Answer:

x = 6

Step-by-step explanation:

(x + 2)(2x - 5) = 56

2x^2 - x - 10 = 56

2x^2 - x - 66 = 0

(2x +11)(x - 6) = 0

2x +11 = 0

2x = -11

x = -5.5

Since you cannot measure length using a negative number, we cannot use this answer nor round.

x - 6 = 0

x = 6

Hope I helped!

Answer Link

Otras preguntas

Where does the waste material in the body come from and why does the body need to get rid of these waste materials?
How does the democracy inhance the dignity of citizens
Add the following 112,774.50 49,774.50 37,622.50 1,338.00 1,200.00 9,984.00 7,663.50 what is the sum
How do you solve these questions? 1. Solve tan²θ = tanθ 2. Find the following and express your answer in polar form.(2 - j)(cos45° + j sin45°)
If 5b=6a+16 and 9a=7b-20, then what is the value of 3a-2b? A) -8 B) -4 C) 4 D) 8
Slope formula can prove a triangle has
Describe the consequences of the long sightedness
Psychodynamic psychologists believe that behavior is aimed at satisfying conscious desires and wishes.   true or false
For the purpose of purchasing new baseboard and​ carpet, complete parts a and b below. a. Find the area and perimeter of the room​ (neglecting doors). b. Identi
Equation for line passing through point and is perpendicular to the given line - (7,10), y=0.5x-9. Please show work