Math, asked by krishnakalas21, 16 days ago

Pls answer this question

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Answered by rohangupta0424

0

Answer:

x+3=0

x= -3

2x³+x²-8x+k=0

Replace x with -3

2(-3)³+(-3)²-8(-3)+k=0

-54+9+24+k=0

-21+k=0

k=21

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