Lines m and n are parallel. Both lines are translated 4 units up and 3 units right to form lines m'and n' The slope of line m' is 3/5

In terms of x, find an expression that represents the area of the shaded region. the outer square has side lengths of (x+5) and the inner square has side lengths of (x-2), as shown. area: a1 x + a2 square units submit