faith2288g faith2288g
  • 03-08-2020
  • Mathematics
contestada

Solve the equation by completing the square.

3x^2-12x=96

Respuesta :

adioabiola
adioabiola adioabiola
  • 08-08-2020

Answer:

x = 8

or

x = -4

Step-by-step explanation:

3x² - 12x = 96

Divide both sides by 3

x² - 4x = 32

Add 4 to both sides

x² - 4x + 4 = 32 + 4

(x - 2)² = 6²

Find the square root of both sides

√(x - 2)² = √6²

x - 2 = +/- 6

x - 2 = +6 or -6

x - 2=+6

x=6+2

x=8

x - 2=-6

x=-6+2

x=-4

x = 8

or

x = -4

Answer Link

Otras preguntas

Simplify (2x + 3)(x – 4) = ?
how can astronomers use rocks from the moon to estimate the age of the solar system ?
70-q-q-2q=80 We'll this is confusing
why does the same side of the moon always face the earth?
If x= (a^2)/b, which situation would always double the value of x? (1) Doubling the value of a(2) Halving the value of a(3) Doubling the value of b(4) Halving t
What's the formula to perimeter
Could you tell me what Are Spores?
solve the formula for the indicated variable  c=yt+y,for t (the solution is t=___)
The resultant resistance of two resistance wires in series combination is 108 ohm and in parallel combination is 24 ohm. find the value of individual resistance
could you tell me what is an embryo?