hillst79 hillst79

17-09-2020
Mathematics

contestada

The roots of an equation are x = -1 ± i. The equation is x2 +
+ 2 = 0.

Respuesta :

oscar236 oscar236

17-09-2020

Answer:

x^2 + 2x + 2.

Step-by-step explanation:

Write it in factor from:

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

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

= x^2 + x + ix + x + 1 + i - ix - i -i^2

= x^2 + 2x + 1 + 1

= x^2 + 2x + 2.

Answer Link

Otras preguntas

What are two prime numbers that are greater than 25 and less than 35

A punch recipe that serves 24 people calls for 4 liters of lemon-lime soda, 2 pints of sherbet, and 6 cups of ice. How much of each ingredient would you need t

Which of these sentences uses correct capitalization? Did you know that a Swedish engineer designed the Monitor, an Ironclad ship in the Civil War? Did you know

Nora's leaf collection consisted of 150 leaves by August. By december , her collection had grown to 177 leaves. How much did her collection increase between Aug

Which countries did President G.W. Bush include in his “axis of evil”? a. North Korea and Iran b. Cuba and Venezuela c. Russia and China d. Egypt and Afghan

In what geographic region were both Buddhism and Hinduism founded

When deciding whether to build a small or large courthouse, a government leader should identify a.the social benefits of each size. b.the economic costs of each

The ______ collects data on occupations and jobs. Select the best answer choice. Department of Labor Department of Agriculture Bureau of Labor Statistics Nor

The powers of the Necessary and Proper clause are: a. expressed c. judicial b. implied d. executive

there are 48 crayons in a box. there are 12 boxes in a carton. Mr Johnson ordered 6 cartons of crayons for the school. how many crayons did he get?