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Katen [24]
3 years ago
12

The rectangle below has an area of x^2-6x-7 square meters and a width of x-7 meters

Mathematics
1 answer:
Illusion [34]3 years ago
8 0

<em><u>Complete Question:</u></em>

The rectangle below has an area of x^2-6x-7 square meters and a width of x-7 meters. What expression represents the length of the rectangle?

<em><u>Answer:</u></em>

<h3>The expression represents the length of the rectangle is (x + 1) meter</h3>

<em><u>Solution:</u></em>

Given that,

\text{Area of rectangle} = x^2 - 6x - 7 \\\\Width = x - 7

<em><u>TO FIND: LENGTH = ?</u></em>

We know that,

Area\ of\ rectangle = length \times width \\\\Therefore\\\\x^2 - 6x - 7 = length \times x - 7\\\\length = \frac{x^2 - 6x - 7 }{x - 7 }\\\\length = \frac{(x-7)(x + 1)}{x - 7}\\\\\text{cancel out x-7 from numerator and denominator} \\\\length = x + 1

Thus expression represents the length of the rectangle is (x + 1) meter

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