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math help pls.

0 votes

e) Solve and show how to check the answer.

asked Dec 9, 2014 in PRECALCULUS by anonymous

1 Answer

0 votes

e)

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Rewrite the expression with common denominator.

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Apply cross product.

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By using zero product property : If AB = 0 then A = 0 ; B = 0.

( x + 2 ) = 0   and  ( 3x - 8 ) = 0

x = - 2    and   3x = 8

x = - 2    and   x = 8/3

Solution : x = - 2 , 8/3.

 

Answer checking :

Substitute x = -2

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Answer x = -2 is verified.

 

Substitute x = 8/3

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Answer x = 8/3 is verified.

answered Dec 9, 2014 by Shalom Scholar

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