Решите уравнение.. .55/(8-х)-55/(8+х)=6

Question

Решите уравнение.. .55/(8-х)-55/(8+х)=6

Answer 1

x/=8   x/=-8

55(8+x)-55(8-x)=6(8-x)(8+x)

440+55x-440+55x=6(64-x^2)

6x^2+110x-384=0

3x^2+55x-192=0

D=3025+2304=5329=73^2

x1=(-55-73)/6=-21 1/3

x2=3