QuinQueen
QuinQueen QuinQueen
  • 03-11-2016
  • Mathematics
contestada

PLEASE SOLVE THIS 2x3−6x2−8x+24=0

Respuesta :

Аноним Аноним
  • 03-11-2016
2x3 - 6x2 - 8x + 24 = 0
6 - 12 - 8x + 24 = 0
6 - 6 - 12 - 8x + 24 = 0 - 6
-12 - 8x + 24 = -6
-12 + 12 - 8x + 24 = -6 + 12
8x + 24 = 6
8x + 24 - 24 = 6 - 24
8x = - 18
8x/8 = -18/8
x = -2.25

Double check:
2x3 - 6x2 - 8(-2.25) + 24
6 - 12 - 18 + 24 = 0

Answer Link
carmen79323
carmen79323 carmen79323
  • 03-11-2016
the answer would be x=16

Answer Link

Otras preguntas

It is OK to use a jack or lift without being trained because they are easy to use
What is the answer to −1.4 + (−1.2) ? (I've looked everywheres on Brainly and found no answers that I need.)
What is the 20th term in the sequence f(n)=19-6×n for n≥0? Please answer, I will give brainliest. Point snatchers will be reported.
What is the inverse of the function f(x)=1/4x-12?a. h(x)=48x-4b. h(x)=48x+4c. h(x)=4x-48d. h(x)=4x+48​
What rhetorical device is evident in the following passage from Thomas Paine's "The Crisis, No.1"? Sec. 3: I have as little superstition in me as any man living
Write the equation for the quadratic function in the graph.
how can you say that office is an information centre?​
Let f(x) = 12 over the quantity of 4 x + 2. Find f(−1). (1 point)
Bill of rights: What form of expression is not protected on public TV and radio?
1.6 What do you call the two parts of the lift that goes down a mine?