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

The endocrine system plays an important role in the body by influencing every organ and cell.
On the map above, India is located at number _____. A.1 B.2 C.3 D.4
1.2x-4y=28 solve for y
what is the special feature of the leaves of C4 plants?
algebra tiles to prove that 4 + 8x and 4(2x+1)
What causes the marks on the moons surface?
which of these candidates did not tie in the election of 1800? a)John Adams b)Aaron Burr
solve algebraically 7a=63
What is 1/3 as a decimal?
After experiencing a loss, it's important to take care of yourself by __________. a. focusing on life before the loss b. numbing yourself with drugs c. maintain