bachonutty07 bachonutty07

24-04-2020
Mathematics

contestada

x^2-8x-9=0 solve by completing the square

Respuesta :

trishinada63 trishinada63

24-04-2020

Answer: (x-9)(x+1), so x=9 and x=-1

Step-by-step explanation:

X^2-8x-9=0

-9 times 1 = -9 and -9 plus 1 = -8

So (x-9)(x+1)

X=9, x=-1

Answer Link

kevin9532 kevin9532

24-04-2020

-1 jfbdjebfbhevdibd djfbd

Answer Link

Otras preguntas

Big Ideas: Key Questions and Terms Notes Your body uses the process called _________ to make new, identical cells to replace those that are lost or damaged. W

What is the area of a trapezoid that has bases of 1feet and 14 inches and a height of 3 inches?

1. Which of the following describes the correct relationship between kidney function and blood pressure? 1. Hypertension can occur if too little water is reab

The planetary wind belts in the troposphere are primarily caused by the

How many molecules are in 12.8 g N2O4

In the proportion 15/25 =3/5 the terms that are called the extremes are

Complete this analogy: individuals is to population as

1. why are Frederick the great of prussia and catherine the great of russia considered enlightened despots? ( 20 questions)

What are the three different periods of Beethoven’s work? Describe each part.

PLEASE HELP ME How would the biodiversity and biomass of an ecosystem, change over time as ecological succession occurs? ( paragraph form would be great! )