sherrelgrant24
sherrelgrant24
26-04-2017
Mathematics
contestada
The solutions of 2X^2+5x-12=0 are
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thienan00
thienan00
26-04-2017
2x^2 + 5x - 12=0
2x^2 -3x + 8x -12=0
x(2x-3) + 4(2x-3) =0
(2x-3)(x+4)=0
we have 2x-3=0, so x=1.5
or x+4=0, so x=-4
You're welcome.
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