DavidHawks
DavidHawks
26-09-2017
Mathematics
contestada
How do I solve this problem?
Respuesta :
Allysia123
Allysia123
28-09-2017
4x^2 -17x = -4
4x^2 - 17x + 4 = 0
4x^2 - 16x - x + 4 =0
4x ( x - 4) - (x -4) = 0
(4x -1) (x-4) =0
now, we need to find the zeroes (or roots) of this quadratic equation:
4x -1 =0
4x = 1
x = 1/4
x-4 =0
x = 4
so,
the value of x is either (1/4) or 4.
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