Math, asked by horain83, 4 months ago

Determine by substitution if:
-1 is the root of -2x +1=0...

pls answer fast
....

Answers

Answered by anujkrktr2006

1

Step-by-step explanation:

given

-2x +1=0 and root = -1

put x = -1

-2(-1)+1 = 0

2+1=0

3

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