mzcary15
mzcary15
16-12-2016
Mathematics
contestada
quadratic formula for 2x^2-x-3=0
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Apocrophon
Apocrophon
16-12-2016
ax^2+bx+c=0
a=2
b=-1
c=-3
b+-sqrt( b^2 - 4ac)
2a
so...
-1 +- sqrt(1 + 24)
4
-1 +- 5
4
x= -1 + 5 = 1
4
or
x= -1 - 5 = -3/2
4
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D4B3STP30P1E
D4B3STP30P1E
16-12-2016
x=1x⁺₋√-1x²-4*2x^2*-3/2(2x^2
This is the equation.
Answer Link
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