Question

(x+y)^2-(x+z)^2

simplify this

Answer 1

Answer: y^2 - z^2 + 2xy - 2xz

Explanation:

(x+y)^2 - (x+z)^2

(x^2 + 2xy + y^2) - (x^2 + 2xz + z^2)

x^2 + 2xy + y^2 - x^2 - 2xz - z^2

x^2 - x^2 + 2xy - 2xz + y^2 - z^2

y^2 - z^2 + 2xy - 2xz