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

12. As a new reporter for the community magazine, Amanda was nervous about doing her first interview with the state governor. She asked Cameron, a veteran re
can someone help with this question? thanks
PLS HELP ME ASAP WITH THIS!! (Write a paragraph or 8 sentences pls!) (don’t use “I, this means etc..”) THANK YOU!! SM Brainliest will be given!
If f = 350i - 250j - 450k6 n and cable ab is 9 m long, determine the x, y, z coordinates of point a
Need help with this Spanish hw please help
This was the overthrow of james ii of england in 1688, which gave parliament control of the government
Does anyone know how to do reverse percentages?
Find the population mean or sample mean as indicated. ​population: 44​, 22​, 1111​, 1717​, 2121
which natural barrier to the north help keep china isolated from other civilizations
Which of the following should you consider before planning a speech