22-10-2021
Mathematics

contestada

I need help asap plssss

I need help asap plssss class=

Respuesta :

22-10-2021

Answer:

x = -4

Step-by-step explanation:

(x - 5) (x + 4) = x^2 + 4x

If you expand this, you get:

x^2 - x - 20 = x^2 + 4x

graph similar terms together, the x^2 disappears:

-20 = 5x

x = -20/5 = -4

Answer Link

Otras preguntas

enter the value of 4 7.5- 5.5 x n when n=2

Nursing/statistics; Describe a hypothesis test study that would help your work or conclusions in some way. Describe what variable would be tested and what would

10. Correct the spelling error in the quotation by Byron.

(x − y)^3 + (y - z )^3 + ( z − x)^3 = ______

11.1% complete Question A large healthcare organization is redesigning its network infrastructure to increase security capabilities by implementing an Intrusion

A spinner has six equal sections numbered 1,1,2,2,3,and4. What is the sample space for the spinner

are the nothern cheyenne fighting the white men alone

Raquel uses 13 oranges to make 1 cup of orange juice. How many oranges would she use to make 1 gallon of juice?

on the grid draw the line x=-2

7. On 1 July 2016, Parent Ltd acquired 70 percent of shares in Subsidiary Ltd. On 31 March 2017 Parent Ltd sold $100,000 of inventory-type B that cost $80,000 t