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Write the coefficient of y in …

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Write the coefficient of y in the expression (3 y - 1) (2y+5)

Posted by Sahib Thind 6 years, 5 months ago

CBSE > Class 08 > Mathematics

1 answers

Yogita Ingle 6 years, 5 months ago

(3y - 1) (2y+5)
= 3y (2y + 5) - 1(2y + 5)
= 6y² + 15y - 2y - 5
= 6y² + 13y - 5
So coefficient of y is 13.

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