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Solving a Quadratic Equation by Factorization Method

The length of...

Question

The length of a hall is 5 m more than its breadth. If the area of the floor of the hall is 84 m², what are the length and breadth of the hall?

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Solution

Let the breadth of the rectangular hall beand the lengthThen

And area of the rectangle

or

Sides of the rectangular hall never are negative.

Therefore, length

Hence, breadth of the hall be be

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