Question

a(x+y)+b(x-y)=a2-ab+b2 and a(x+y)-b(x-y)=a2+ab+b2 solve by any method

Answer 1

Answer:

Step-by-step explanation:ax+ay+bx-by=a^2-ab+b^2

x(a+b)+y(a-b)=a^2-ab+b^2(1)

ax+ay-bx+by=a^2+ab+b^2

(a-b)x+(a+b)y=a^2+ab+b^2(2)

(1)-(2)

x-y=-a