2 X square + kx + 3 is equal to zero
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2x²+kx+3=0
2x²+3kx-2kx+3=0
2x²-2kx+3kx+3
2x(X-k)+3(kx+1)
or
2x²+kx+3=0
2x²+kx=-3
x²+kx=-3/2
2x²+3kx-2kx+3=0
2x²-2kx+3kx+3
2x(X-k)+3(kx+1)
or
2x²+kx+3=0
2x²+kx=-3
x²+kx=-3/2
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