raysparkles22oxptnc
raysparkles22oxptnc raysparkles22oxptnc
  • 23-02-2022
  • Mathematics
contestada

Two numbers whose product is 40 and sum is -22

Respuesta :

zsm2800 zsm2800
  • 23-02-2022

Answer:

-2, -20

Step-by-step explanation:

x * y = 40       (1)

x + y = -22      (2)

Multiply by x on (2):

x^2 + xy = -22x

x^2 + 40 = -22x

x^2 + 22x + 40 = 0

(x + 2)(x + 20) = 0

x = -2, -20  (answer)

Answer Link

Otras preguntas

Help please 1. Summarize two harmful effects of acid rain 2. Predicting outcome how will the depletion of the ozone layer affect human health 3. Describe the gr
What was the pharaoh's role in ancient egypt?
One group of people purchased 10 hot dogs and 5 soft drinks for $35. Another group purchased 7 hot dogs and 4 soft drinks for $25.25. What is the cost of a sin
True or false. Thomas Edison created the light bulb?
Help please 1. Summarize two harmful effects of acid rain 2. Predicting outcome how will the depletion of the ozone layer affect human health 3. Describe the gr
What were the lasting legacies of the Crusades?
Ok so I have like a grid and it says "On the grid to the right, draw a polygon that has 2 pairs of parallel sides, 2 pairs of sides equal in length, and 2 acute
Help please 1. Summarize two harmful effects of acid rain 2. Predicting outcome how will the depletion of the ozone layer affect human health 3. Describe the gr
Opposite of POTENT: (A) feeble (B) comparable (C) frantic (D) imposing (E) pertinent
Help please 1. Summarize two harmful effects of acid rain 2. Predicting outcome how will the depletion of the ozone layer affect human health 3. Describe the gr