👤
Renike11
a fost răspuns

 (2x+3)^{2} > x^{2} -1


Răspuns :

(2X+3)²>X²-1
2X²+2×2X×3+3²>x²-1
2x²+12x+9>x²-1
2x²-x²+12x>-1-9
x(2x-x+12)>-10
x>-10
2x-x+12>-10
x+12>-10
x>-10/-12
x>-5/-6