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21-05-2021
Mathematics

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If x = -3 evaluate the following expression
(x-2)(x+9)
________
x(x+5)

If x 3 evaluate the following expression x2x9 xx5 class=

Respuesta :

21-05-2021

Answer:

Step-by-step explanation:

you have to substitute x with -3, so where you see x in the equation you write a -3 and calculate

[tex]\frac{(x-2)(x+9)}{x(x+5)} = \frac{(-3-2)(-3+9)}{-3(-3+5)} = \frac{-5*6}{-3*2} =\frac{-5}{-1} =5[/tex]

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