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

Factoring Trinomials (a=1)n^2 + 4n -12
Word form 67.943 answers please
how many ten thousands equal 400,000
If one paper clip has the mass of 1 gram and 1,000 paper clip have a mass of 1 kilogram, how many kilogram are 8,000 paper clip
What kind of sentence is Merlin carried the baby to safety
The value of the underlines digit in (3) 326,619 is 3 hundred thousand true or false
How many neutrons are probably in the nucleus of an element of atomic weight 197?  a. 43 b. 79  c. 83  d. 100  e. 118
Are (121 over 11),(23 over 3), and (85 over 5) in simplest form?
Is 2 thousandths + 4 hundredths is greater or less than 0.127
Please help for answer 56/125-177/625=