Arectangle’s width is 2 meters shorter than its length, l. its area is 168 square meters. which equation can be used to find the length of the rectangle?

L² + 2L - 168 = 0 is the equation that can be used to get the length of the rectangle.

Step-by-step explanation:

Let the length of the rectangle is L and width is W.

Now rectangle's length is 2 meters shorter than its length.

So the equation will be

L = W - 2(1)

Area of the rectangle is 168 meters²

A = Length × Width

168 = L× W

168 = L× (L + 2) [ From equation 1]

168 = L² + 2L

L² + 2L - 168 = 0

Therefore, L² + 2L - 168 = 0 is the equation that can be used to find the length of the rectangle.

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step-by-step explanation: