Question

n^2+6n-187=0 дискриминант​

Answer 1

n²+6n-187=0

D = b²-4ac = 6²-4*1*(-187) = 36+748 = 784 = 28²

n=(-b±√D)/2a

n₁=(-6-28)/2; n₁=–17

n₂=(-6+28)/2; n₂=11