Помогите решить плиз)

Объяснение:

((a^(5/4) +2a^(3/4))/(a^(3/4) +2a^(1/4))^2=((a^(3/4) ×(a^(1/2) +2)/(a^(1/4) ×(a^(1/2) +2))^2=(a^(2/4))^2=(a^(1/2))^2=a

√(x-1) +3=x

x-1=(x-3)^2

x-1=x^2 -6x+9

x^2 -6x+9-x+1=0

x^2 -7x+10=0

D=49-40=9

x1=(7- √9)/2=(7-3)/2=4/2=2

x2=(7+3)/2=10/2=5

Ответ: х=5.