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Verify whether x = -2 is …

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Verify whether x = -2 is root of polynomial x² + 10x -10

Posted by Jasneet Kaur Chahal 4 years, 4 months ago

CBSE > Class 09 > Mathematics

1 answers

Yogita Ingle 4 years, 4 months ago

x² + 10x -10

= (-2)² + 10 (-2) - 10

= 4 - 20 - 10

= 4 - 30

= - 26

Hence x = -2 is not root of polynomial x² + 10x -10

2Thank You

ANSWER

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CBSE > Class 09 > Mathematics