SOLUTION: The length of a rectangle is 3mm more than twice the width. If the area is 495 square mm find the dimensions of the rectangle? Please help

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Question 1122058: The length of a rectangle is 3mm more than twice the width. If the area is 495 square mm find the dimensions of the rectangle? Please help
Answer by ikleyn(52780) About Me  (Show Source):
You can put this solution on YOUR website!
.
x*(2x+3) = 495  mm^2,


where x is the unknown under the question.


Solve the quadratic equation


2x^2 + 3x - 495 = 0 using the quadratic formula.

If you don't know what is the quadratic formula, learn it from the lessons
    - Introduction into Quadratic Equations
    - PROOF of quadratic formula by completing the square
in this site.