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

Need Help Now!! A rectangular plot of land is 100 feet long and 250 feet wide. What length of fencing would be required to enclose the perimeter?
find the area of the triangle
Write the quadratic equation whose roots are -1 and -4 and whose leading coefficient is 1
Evaluate by using suitable property: (-343) x (-12) + (-343) x (-88) . Mention the property used.​
A bee flies at 10 feet per second directly to a flowerbed from its hive. The bee stays at the flowerbed for 15 ​minutes, and then flies directly back to the hiv
I NEED HELP!?!?!?!!?!?!!?!? what tribe in brazil has been assimilated, and which one has not???
who likes juice wrld? how bout lifes a mess
Which state did not attend the Constitutional Convention which meet at Independence Hall in Philadelphia? and why answer and i will make brainlist
I need help with this question.
A baseball player hits a line drive horizontally from a height of 1 m. How long will it take the ball to hit the ground? If the ball traveled 24 m horizontally