Respuesta :
b(a+b)-a(a-b)
ab+b^2-a(a-b)
ab+b^2-a^2+ab
b^2-a^2+2ab
Rearrange into standard form
Final answer: -a^2+2ab+b^2
ab+b^2-a(a-b)
ab+b^2-a^2+ab
b^2-a^2+2ab
Rearrange into standard form
Final answer: -a^2+2ab+b^2