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

Which of the following is one way to prevent the corrosion of iron? A. Paint exposed iron p21 with protective paint. B. Protect the iron from polluted air. C.

The ____ is a party nominating election in which any qualified voter can participate.

is the line description for x+3y=1 slanted downwards?

The power to command or influence thought, opinion or behavior is the definition for what term?

fill on the other coordinate for the line 2x-3y=4 (2,)

Evaluate -u2v3 when u=4 and v=-2

why is the Atlantic ocean said to operate like a conveyor belt?

5) (5x2 + 4) — (5 + 5x3)

Which of the following is NOT a property right? A. to sell or give away the item B. to exclude others from using the item C. to use an item as you wish (withi

what abiotic factors would a parasitic strangled fig and it's host tree compete for?