Q. 1.     Simplify combining like terms:

             (vi) (3y^{2}+5y-4)-(8y-y^{2}-4)

Answers (1)
S Sayak

(3y2 + 5y - 4) - (8y - y2 - 4)

= 3y2 + 5y - 4 - 8y + y2 + 4

= (3 + 1)y2 + (5 - 8)y - 4 + 4

= 4y2 - 3y 

The simplified expression is 4y2 - 3y 

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