sissykyttle
sissykyttle sissykyttle
  • 26-03-2020
  • Mathematics
contestada

3 times a number is 10 less than the square of that number. Find the negative solution.

Respuesta :

amna04352
amna04352 amna04352
  • 26-03-2020

Answer:

-2

Step-by-step explanation:

3n = n² - 10

n² - 3n - 10 = 0

n² - 5n + 2n - 10 = 0

n(n - 5) + 2(n - 5) = 0

(n - 5)(n + 2) = 0

n = 5, -2

Answer Link
nathanwroblewski03 nathanwroblewski03
  • 26-03-2020

Answer:-2

Step-by-step explanation: set up an equation

3x+10=x^2

x^2-3x-10=0

what multiplies to get 10 and adds to -3?

-5 and 2

(x-5)(x+2)=0

x-5=0 x+2=0

x=5 x=-2

The negative solution is -2

Answer Link

Otras preguntas

What effect did the call for home rule in british colonies have on ireland's desire for independence?
Based on what you have learned, which of the following are industries given support from the Troubled Asset Relief Program (TARP)?
how did the industrial revolution lead to the cold war
Luther protested the practice of selling indulgences
which statement is an example of spatial organization
The sum in a half adder can be represented by what boolean expression (assuming a
reasons why athens trade with other city-states and colonies, as well as the products they traded
What is considered Ronald Reagan’s most positive legacy
Wind and ocean currents do not move in straight lines; instead, they curve as they move across the planet. What is responsible for this pattern of movement? A
what is the value of 32^4?