frances1224 frances1224

14-07-2020
Mathematics

contestada

The equation x2 − 6x − 27 = 0 when solved is:

Respuesta :

devishri1977 devishri1977

14-07-2020

Answer:

-3 , 9

Step-by-step explanation:

Sum = - 6

Product = -27

Factors = 3, -9

x² - 6x-27 = 0

x² + 3x - 9x - 9*3 = 0

x(x + 3) - 9(x + 3) = 0

(x + 3) (x - 9) = 0

x +3 = 0 ; x - 9 = 0

x = - 3 ; x = 9

Solution: x = -3 , 9

Answer Link

Otras preguntas

$5000 is invested at 6.75% continuously compounding. What is the time, in years, for the investment to double? Answer to the nearest hundredths place. ________

A 50g arrow is fired vertically downward to a target 10m below. If it was released from the bow with a speed of 50m/s, and it lodges itself 15cm into the ground

Which statement is true about the magnetic force? A. The force can both attract and repel materials. B. The force always repels materials from each other.

When a garter snake consumes a mouse, what happens to the organic matter that made up the mouse's body?

What is the reason for the Oakes case in Canadian Law?

Write an equation for a line that is parallel to 2x+5y=15 and passes through the point (-10, 1)

Shari and her family change their use of transportation. They use their private automobile less often, and instead rely more on public transportation, bicycles,

Can someone solve one or two of these? It gives an example but I’m a bit confused.

When a garter snake consumes a mouse, what happens to the organic matter that made up the mouse's body?

How do the colonies build credibility in this section