Question

Решите уравнение x^2 + 14x - 32 = 0

Answer 1

xˇ2 + 14x -32= (x+16)(x-2)=0
a)x+16=0, x = -16
b)x-2=0, x = 2
Btoraja vozmožnost čerez D.
D=14ˇ2-4.1.(-32) = 324, VD = 18
x1= (-14+18)/2 = 2
x2 = (-14-18)/2=-16

Answer 2

D=324 D=18 x1=107 x2=89

Answer 3

Не правильно

Answer 4

324 = 8^2