Question

x(x-2)-(x+1)(x+3)=4​

Answer 1

Ответ:

X2-2x-3-x2-4x=4

-7-6x=0

X=-7/6

Answer 2

Ответ:

х(х-2)-(х+1)(х+3)=4

х²-2х-х²-х+х²+3х=4

1х=4

х=4