Помогите пож. с 118(2,4,6) спс.
118. 2) x² -6x +5 =0 4) x²+12x+32=0 6) x² - 4x - 45 =0 (x -1)(x -5) =0 (x+4)(x+8)=32 (x -9)(x+5) =0 x1 = 1 : x2 = 5 x1= - 4 ; x2 = - 8 x1 = 9 ; x2 = -5