SOLUTION: The width of a rectangle is 5 less than twice its length. If the area of the rectangle is 174 cm22, what is the length of the diagonal?

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Question 1068223: The width of a rectangle is 5 less than twice its length. If the area of the rectangle is 174 cm22, what is the length of the diagonal?
Answer by josgarithmetic(39620) About Me  (Show Source):
You can put this solution on YOUR website!
Here is only a start:

L, length
w, width
system%28w=2L-5%2CwL=174%29

L%282-5%29-174=0

2L%5E2-5L-174=0


The PLUS form for L will be needed.
system%28L=%285%2Bsqrt%281417%29%29%2F2%2Cw=%28-5%2Bsqrt%281417%29%29%2F2%29
.
.
Find diagonal.