Question

Решить уравнение ( 8 класс)

Answer 1

(x^2+3)^2-(x^2+2)(x^2-8)=73
(x^4+6x^2+9)-(x^4-8x^2+2x^2-16)=73
16x^2+25=73
16x^2=73-25
16x^2=48
x^2=3
x1=sqrt3
x2=sqrt(-3)