please solve this question
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See attached picture for the answer to the question. Please mark me brainliest.
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5x^2 - 4 x + k
k = -1
5x^2 - 4x - 1
5x^2 + x - 5x -1
x ( 5x + 1) -1(5x +1)
(x - 1) ( 5x + 1)
x= 1,
5x + 1 = 0
5x = -1
x = -1/5
Marks as brainliest .
thnks...
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