= ∫ ^(1)_(0)([red] 9x^2∫^(sqrt(x)) _(-x^2)y^2dy+48x^3∫^(sqrt(x)) _(-x^2)y^3)dy[/red])dx=
= ∫ ^(1)_(0)([red] 9x^2(y^3/3)|^(sqrt(x)) _(-x^2)y^2dy+48x^3(y^4/4)|^(sqrt(x)) _(-x^2))[/red])dx=
= ∫ ^(1)_(0)([red] 3x^2((-x^2)^3-(sqrt(x))^3)+12x^3((-x^2)^4-(sqrt(x))^4)[/red])dx=
= ∫ ^(1)_(0)(3x^8-3x^(3/2)+12x^(11)-12x^5)dx=...