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

Why didn't early people form governments?
there are ten lockers in the hallway at school. three new students are to be given lockers. how many different ways could the locker be assigned
Compare the decimals 56.07 and 56.7.
Her bank balance was -$90. she deposited $100 in her bank account on wednesday. what is her balance at the end of the day on wednesday?
During the 1970's which price of legislation did the national organization for women actively promote though it was never ratified
China's population is 14.46×10^8. Marshall Islands' population is 602.5×10^2 . How many times larger is China's population than Marshall Islands' population
in online learning, who is responsible for checking to make sure assignments are turned in? a. the online teacher c. the lab instructor b. the student d. a lab
Find the slope for 2x-6y=24
#6 how to solve multi-step equations
how do you figure out math problems