>>16775388Small rectangle has an area of A1= (x+1) * 4= 4x+4
Big rectangle has height of H = x+11 - 4 (height of small rect) = x+7
Big rectangle area is A2= (2x + 6) * (x+7)= 2x2 + 14x + 6x + 42 = 2x2 + 20x + 42
A1 + A2 = 4x + 4 + 2x2 + 20x + 42 = 2x2 + 24x + 46