What is the discriminant and the characteristic of the roots of X2 + 4x + 3 = 0
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x²+4x+3=0
compare equation with ax²+bx+c=0
a=1; b=4; c=3
b²-4ac=4²-4×1×3
=16-12
=4
b²-4ac > 0
therefore the root of quadratic equations is real and equal.
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