Question

Решить уравнение (х2 +5х +6)2 – 3(х2 +2)( х2 +5х +6) – 4(х2 +2)2 = 0

Answer 1

4х+10х+12–(6х+6}(2х+5х+6)–16х+16=0 –2х+32–12х^2–30х^2–12х–12х+30х+36=0 –42х^2+4х–48=0;