theresacontreras2 theresacontreras2

03-12-2019
Mathematics

contestada

two numbers add to be 5 multiply to be -6

Respuesta :

spark10 spark10

03-12-2019

Answer:

-1, 6

Step-by-step explanation:

x + y = 5

xy = -6

Take first equation and rewrite it. y = -x + 5

Then substitute the new equation in the second one.

x(-x + 5) = -6

-x^2 + 5x + 6 = 0

Divide by -1

x^2 - 5x - 6

(x + 1)(x - 6) = 0

x = -1, 6

Answer Link

Otras preguntas

The following are the expected one-year T-bill rates for the next four years: 3%, 4%, 5%, and 6%. According to the basic model of the expectations hypothesis, w

What is 3x-y=9 2x-y=7

how to not get attacked by bacteriophages.

I need help in bio it’s due tomorrow pleaseee

Every Friday, Dr. Cruz would give a quiz in his psychology class. Students quickly learned to be nervous on Friday mornings, just before each quiz. Halfway thro

While living in her home country of Tanzania, Sophia Kiwanuka signed an employment contract with Anne Margareth Bakilana, a Tanzanian living in Washington, D.C.

Suppose 40 people come to your party. If 15% of your guests arrive early, how many people arrive early?

Consider a subsonic engine inlet (i.e., a diffuser) with an inlet area of 1.5 m² and exit-to-inlet area ratio of 1.44. Air enters the diffuser flowing at 5 kg/s

How to simplify 2x squared plus 9x plus 4 over 2x squared plus 2x multiply by x plus 1 over (x-2)(x+4)

You return a DVD movie that was 5 days overdue including a previous unpaid balance of $2.50, your new balance is $7.75. How much is the daily fine for an overdu