hello :
help :the discriminat of each quadratic equation : ax²+bx+c=0 ....(a ≠ 0) is :Δ = b² -4ac1 ) Δ > 0 the equation has two reals solutions : x = (-b±√Δ)/2a2 ) Δ = 0 : one solution : x = -b/2a3 ) Δ < 0 : no reals solutions
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