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

Balance considers which elements of art? Select three options. color texture line form space
seven kilometers is how many meters​
What is the opposite and absolute value of -7?​
Eric's father asked an engineer to survey the field behind their house. He wanted to plant some apple and pear trees there. According to the survey, the field i
Patient X is a 32 year old female. She goes to the gym less than 5 times a month. She recently went to the doctor and it was determined that her kidneys are ret
Given the points R(-4, 5) and S(2, -1). Find RS, the midpoint of RS, and point P which is 13 of the distance from R to S. Leave your answer as a simplified radi
The Midpoint of UV is M(4, -6). Find V given U(7, -9)
The crust and lithosphere is part of the mantle. True or false?
In one to two sentences, identify a text that you have read recently that falls into the category of narrative nonfiction. Which characteristics of the text tel
Find the dimensions of a triangle given the base, height, and area. b=8 inches h=7 inches A=28 square inches