ameliafeinfortnite ameliafeinfortnite
  • 15-10-2020
  • Mathematics
contestada

PLEASE HELP!
Solve x2 + 5x = −6.

x = 5 and x = 1
x = −5 and x = −1
x = 3 and x = 2
x = −3 and x = −2

Respuesta :

musiclover10045
musiclover10045 musiclover10045
  • 15-10-2020

X^2 + 5x = -6

Add 6 to both sides:

X^2 + 5x + 6 = 0

Using the quadratic equation x = -b +/-sqrt(b^2 -4ac )/2a replace the letters with their values and solve for x.

A = 1, b = 5 , c = 6

Solving for x you get -2 and -3

The answer would be x = -3 and x = -2

Answer Link

Otras preguntas

check the screenshot
2. Select all the events that have a probability of 0.5 or greater. Flipping a fair coin and having it land on heads. X Rolling a fair number cube and getting a
Cyanobacteria contain a variety of pigment molecules, as shown in Table 1. As a result, the color of cyanobacteria cultures can vary significantly based on the
researchers believe that schizophrenia has a strong biological basis. the neurotransmitter – , which is blocked by antipsychotics, is hypothesized to have a str
please help HIGH POINTS
6. Which type of cookware is safe to use in a microwave oven? a. Dishes with silver trim. b. Aluminum pans. c. Glass bowls. d. None of the above
Select the correct answer from each drop-down menu. The perimeter of an equilateral triangle is 24 centimeters. Each side of the triangle measures 2.5 centimete
a. In a conditional statement, the statement that immediately follows the word then.
How much longer than start fraction 5 over 8 end fraction inch is start fraction 7 over 8 end fraction inch?A.1 1/2 inch B. 1/4 inch C.1 3/8D.1 1/8 and also jus
50 points please help asap