Question

решите плиз x^2+8x-273=0

Answer 1

Д=64-4*1*(-273)=64+1092=1156; х1=-8-34/2=-21. х2= -8+34/2=13

Answer 2

D = 64 - 4 * 1 * ( - 273) = 64 + 1092 = 1156 ; V D = 34 ; X1 = ( -8 + 34): 2 = 13; X2 = (- 42):2 = ( - 21). Ответ 13 и ( - 21)