Question

найти дискриминант и корень x²+12x+32=0

Answer 1

x^2 + 12x + 32 = 0 
D  = 144 - 4*32 = 16 = 4^2
x1 = ( - 12 + 4)/2 = - 8/2 = - 4;
x2 = ( - 12 - 4)/2 = - 16/2 = - 8;