The area of a rectangular room is represented by the equation L^2 – 5L = 36 where L is the length of the room. Find the length of the room.

Question

The area of a rectangular room is represented by the equation L^2 – 5L = 36 where L is the length of the room.  Find the length of the room.

Philip P. · Accepted Answer

L2 - 5L = 36L2 - 5L - 36 = 0Solve for L by factoring or using the quadratic formula.  It does factor.

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