
Lauren H. answered 09/09/18
Tutor
4.8
(24)
Experienced High School Chemistry Teacher
length of the park is (3x+1)m. The width of the park is (2x+4)m
A = l x w
A = (3x+1)m x (2x+4)m
A = m(3x+1)(2x+4)
A = m(6x^2 +14x +4)
Or,
A = 2m(3x^2 + 7x + 2)