sthefanyvitoria
sthefanyvitoria
16-03-2017
Mathematics
contestada
x²- 6x + 9=16 A solução?
Respuesta :
apologiabiology
apologiabiology
16-03-2017
Torná-lo igual a 0
x
²-6x+9=16
x²-6x-7=0
fator
Encontrar o que 2 números se multiplicam para obter -7 e adicionar para obter -6
-7 e 1
(x-7)(x+1)=0
Definir cada um igual a 0 e resolver para x
x-7=0
x=7
x+1=0
x=-1
x=-1 e 7
Answer Link
VER TODAS LAS RESPUESTAS ( 17+ )
Otras preguntas
The circle above has a radius of 3 cm. What is the area of the circle? Use = 3.14. help please
Which country sent its navy around the world to fight the Japanese in 1904?
Food can be ------- element in family life, bringing us together in times of trouble and in times of joy. (A) an addictive (B) a conflicting (C) a unifying (D)
Which describes a value for density?
She forcefully ______ her view that something needs to be done to reduce crime in the city in front of a. Murmured b. Asserted. C. Commented d. snarled
how many eighths in one half
Gross production is the amount of energy left after cellular respiration true or false ?
PLEASE HELP I GIVE THANKS
___ determines Arthur's success at pulling the sword, Excalibur, from its stone. A. Antecedent B. Precept C. Predestination D. Premonition
An iguana at a pet store is 5 feet long.measurements for iguana cages are given in inches.How many inches long is the iguana?
