aliciamccord
aliciamccord
23-08-2016
Mathematics
contestada
How do you solve x^2-4X-12=0
Respuesta :
AL2006
AL2006
23-08-2016
x² - 4x - 12 = 0
Factor the left side: (x + 2) · (x - 6) = 0
The equation is true if either factor is zero.
If (x + 2) = 0 then
x = -2
.
If (x - 6) = 0 then
x = 6 .
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