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Mathematics, 07.07.2019 12:30 masonorourke

The length of a rectangle is half the width the area is 25 square meters. what’s the perimeter.

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Answers: 1
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Answer from: Quest

answer

the correct answer is

x=-5,x=7

explanation

the given function is

 \frac{ {x}^{2} - 3x - 28 }{x {}^{2} - 2x - 35}

the excluded values are obtained by solving:

 {x}^{2} - 2x - 35 = 0

we factor to obtain:

(x + 5)(x - 7)= 0

the excluded values are

x=-5,x=7

What are the excluded values of x for.. (look at picture)

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