kody69372
kody69372 kody69372
  • 04-04-2020
  • Mathematics
contestada

Solve for x. Write both solutions, separated by a
comma.
9x2 - 4x - 5 = 0

Respuesta :

gamboalnatalie
gamboalnatalie gamboalnatalie
  • 04-04-2020
Answer:

x = -5/9, x = 1
Answer Link
Officialalehpeter
Officialalehpeter Officialalehpeter
  • 04-04-2020

Answer: -5/9 or 1

Step-by-step explanation:

9x2-4x-5=0

Factorise

Factors of -45 that will give-4 is -9&5

Substitute

9x2-9x+5x-5=0

9x(x-1)+5(x-1)=0

(9x+5)(x-1)=0

9x+5=0

9x= -5

X= -5/9 or

X-1=0

X=1

X= -5/9 or 1

Answer Link

Otras preguntas

ana injured her eye in an accident and has to wear a patch over the eye while it heals. which of the following cues would she best be able to use to make judgme
como puedo resolver sistemas de ecuaciones? no le entiendo nada
Please solve this! I’ll give the correct answer brainliest. Happy Halloween!
What is bail and how does it work? (4-5 sentences)
A square and an equilateral triangle have the same perimeter.  Each side of the square is 2 less than the side of the triangle.  what is the value of the unknow
HELPPPP PLSSSS I BEG YOU
Solve 9(t-7)=u for t Show all solving steps.
After Darwin proposed his ideas about natural selection as a mechanism for evolution, it took time before evolution was generally considered a theory. Why do we
Can some one help me
Which was NOT a cascading effect of the stock market crash? A. many charities sprang up around the country B. banks went out of business C. businesses went bank