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01-05-2020
Mathematics

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Find the value of this expression if x = 5.
x^2+7 / x-7

Find the value of this expression if x 5 x27 x7 class=

Respuesta :

jimrgrant1 jimrgrant1

01-05-2020

Answer:

- 16

Step-by-step explanation:

Given

[tex]\frac{x^2+7}{x-7}[/tex] ← substitute x = 5 into the expression

= [tex]\frac{5^2+7}{5-7}[/tex]

= [tex]\frac{25+7}{-2}[/tex]

= [tex]\frac{32}{-2}[/tex]

= - 16

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