whynotbud whynotbud
  • 04-06-2020
  • Mathematics
contestada

If x^2 is added to x, the sum is 56. Which of the following could be the value of x?

Respuesta :

keziakh004
keziakh004 keziakh004
  • 04-06-2020

Answer:

-8, 7

Step-by-step explanation:

Set up an equation.

x² + x = 56

Set the equation equal to zero and factor.

x² + x - 56 = 0

(x + 8)(x - 7) = 0

Solve for x.

x + 8 = 0

x = -8

x - 7 = 0

x = 7

The possible x values are -8 and 7.

Answer Link

Otras preguntas

Which of the following accurately describes a difference in the long-term impact of Zoroastrianism and the Vedic religion? A. Zoroastrianism gave rise to Dao
how do you find the greater rate of change in a problem or table?
Why is common sense important?
Can you prove the prove the moon has gravity
What has not happened to hungary since 1990?
rearrange x= 3g+2 to make g the subject
One advantage of reading Sudanese Slit Drum, rather than listening to it in a podcast, is that the reader a. sets the pace. b. pauses for effect. c. adds sound
What is the function of the glomerulus?
How would blacks react after Union victories in the South?
Write 84 as a product of prime numbers