Question

СРОЧНО МАТЕМАТИКА с решением!!​

Answer 1

Ответ:

{x²-2x-48≤0⇒x1+x2=2 U x1*x2=-48⇒x1=-6 U x2=8⇒-6≤x≤8

{(x-6)(x+6)≠0⇒x≠-6 U x≠6

x∈[-6;6) U (6;8]

Answer 2

{×2-2x-48≤0=×1+×2=2 U
×1*×2=-48=×1=-6 U ×2=8--6<×≤8
{(x-6) (×+6) ‡0=ׇ-6 U x#6
X€[-6;6) U (6;8]