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For what value of X is the rational expression below equal to zero

For what value of X is the rational expression below equal to zero
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For what value of X is the rational expression below equal to zero

For what value of X is the rational expression below equal to zero-example-1
User Shyan
by
8.1k points

1 Answer

2 votes
C. -10

(20+2x)/(5-x)
Multiply both sides by lowest common denominator, simplify

((5-x)(20+2x))/(5-x) = (5-x)0

2x + 20 = 0

2(x + 10) = 0
factor out 2 from 2x+20
User Aleksandr Makov
by
7.6k points
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