augustalston91
augustalston91
06-07-2017
Mathematics
contestada
What are the roots of 12x = 9 + 5x2?
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niyahinica
niyahinica
06-07-2017
minus 12x both sides
0=5x^2-12x+9
use quadratic formula
for 0=ax^2+bx+c
x=
given
5x^2-12x+9
a=5
b=-12
c=9
remember: i=√-1
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