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01-05-2020
Mathematics

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Find the value of this expression if x = 9.
X^2-9 / x-7

Find the value of this expression if x 9 X29 x7 class=

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jimrgrant1 jimrgrant1

01-05-2020

Answer:

36

Step-by-step explanation:

Given

[tex]\frac{x^2-9}{x-7}[/tex] substitute x = 9 into the expression

= [tex]\frac{9^2-9}{9-7}[/tex]

= [tex]\frac{81-9}{2}[/tex]

= [tex]\frac{72}{2}[/tex]

= 36

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