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

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

2 + ( x +24) + (2+x) = 40 find the value of x

Guys pls help me!!!!!!

Choose the best meaning for the word appalled: horrified, shocked waste or garbage the equal treatment of all people to pass quickly

Please help with these 2

what is opportunity cost (select best answer)

7. True or False. Wind erosion continually changes the landscape. * 8. Which of the following is NOT a correct description of air movement over the Earth?* A. T

I’m confused I’m not sure which one it is

1. What bone is shown with letter Q? Radius Femur Ulna

What will happen when a charged object touches a neutral object?

Casey bought 9 tickets to a concert. The total charge was $104, including a $5 service charge. a) Write and equation you can solve to find c, the cost of one t