Hi

I have a question in my maths textbook that I can't figure out. It goes like this:

Please, I'll be really grateful if someone could take the time to show me the workings of this sum.A rectangular garden has a square flower bed of side length x in one of it's corners. The remainder of the garden consists of lawn and has dimensions as shown. If the total area of the lawn is 50mē:

a) form an equation in terms of x,

b) solve the equation

c) calculate the length and width of the whole garden