smithjnana smithjnana
  • 01-04-2020
  • Mathematics
contestada

7 times a number is 8 less than the square of that number. Find the negative solution

Respuesta :

wegnerkolmp2741o
wegnerkolmp2741o wegnerkolmp2741o
  • 01-04-2020

Answer:

x=-1

Step-by-step explanation:

Let x = the number

7x =x^2 -8

Subtract 7x from each side

7x-7x = x^2 -7x -8

0 = x^2 -7x -8

Factor

0 = (x-8) (x+1)

Using the zero product property

x-8 =0     x+1 =0

x=8           x=-1

We want the negative solution x=-1

Answer Link

Otras preguntas

no question here? . . .
from her eye, which stands 1.72 meters above the ground, myesha measures the angle of elevation to the top of a prominent skyscraper to be 19 degrees. if he is
Deductive or Inductive agrument? 1. In a recent study, 100% of those surveyed survived playing Russian Roulette. We can conclude that it’s very likely that Russ
Fill in the blank to make a true statement. x² +_x+21 (x +_)(x + 7)
Right angle measurement
During the month of February a flower store marked up the prices of all their flowers. One red rose normally costs $4.40, but it cost $6.16 in February. What wa
if the temperature increase from 3°c to 5°c calculate by how many degrees increases​
2 meters is the same as how many feet?
if the temperature increase from 3°c to 5°c calculate by how many degrees increases​
Why would someone choose to earn a JSD degree? O To be qualified to teach at a law school. O To be able to work in a U.S. law firm. O To research a particular i