The length of a rectangle is 8 more than twice the width. The area is 50 what equation do I use to find the sides

Answer 1

L = 8+2w

Lw = 50

(8+2w)w = 2w^2 +8w = 50

w^2 +4w = 25

w^2 +4w +4 = 29

w+2 = + or -sqr29

w = -2 +sqr29 = about 3.385 = width

L = 50/(sqr29 -2) = about 14.771 = Length