Question

Помогите плиз))очень надо

Answer 1

(2x+3)^2=5y
(3x+2)^2=5y

4x^2+9=5y
9x^2+4=5y

x^2=1.25y-2.25
9(1.25y-2.25)+4=5y

x^2=1.25y-2.25
11.25y-20.25+4=5y

x^2=1.25y-2.25
-16.25=-6.25y

x^2=1.25y-2.25
y=2.6

x^2=3.25-2.25
y=2.6

x^2=1
y=2.6

x=1
y=2,6
Ответ: х=1; у=2.6