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

graph y=3sinx and y=sin 3x on the same axes. label the graph of each function.
List all the commonwealth games mascots from 1982-2014
How do I solve for x? X+6x=56
where will you find maximum rate of evaporation - ocean, pond or an aquarium? Give reason to support your answer.
If the length of each side of a square prism is ten feet. Find the total surface area of this object
the length L of a spring is given by L=(3/4)F + 5 where F is applied force. What force F will produce a length of 8?
'for a good cause if you are determined you are able to overcome any obstacle'. explain
If the length of each side of a square prism is ten feet. Find the total surface area of this object
Convert the general form of the circle given into standard form. 2x^2 + 2y^2 - 20x - 8y + 50 = 0
A movie starts at 7:00 pm and lasts 108 minutes. What time does the movie end?