elagoz elagoz
  • 02-10-2017
  • Mathematics
contestada

How can I solve this

How can I solve this class=

Respuesta :

Аноним Аноним
  • 02-10-2017
4 x^2 - 32 = 8x 
-8x             -8x

4x^2 - 8x - 32  = 0 

Factor the expression ...

4 ( x+2) ( x - 4) = 0 

Set the factors equal  to 0 ...

x + 2 = 0                 x - 4 = 0
   -2    -2                    +4    +4

x = - 2    or   x = 4
Answer Link

Otras preguntas

Choose the correct answer: whats the answer?
8sin2θ+2sinθ−1=0 for all values of θ between 0∘ and 360∘.​
pls answer 20 pt reward!!!!
A pencil is 712 inches long. How long is the pencil in centimeters?
Simplify this expression:2 (m-11m)-m+10=​
A TV satellite dish has a parabolic shape. Signals reflect off the dish and are collected at the focal point (focus) of the parabola. The distance from the vert
What is 3x + 15 <_30
for a different football match, 297 tickets were sold for £9.50 each. 399 tickets were sold for £19.50 each. work our an estimate for the total amount of money
Hi, How are you and your baby? I have something to ask regarding my studies. You know I'm using your old desktop at home to work on my university assignments, b
20.Mary isn't the only one responsible for this mistake. After all, it takes ____________