Question

Please answer
16 th sum

Answer 1

= > y( 2y + 3 ) - 2y( y - 5 ) = 26


= > y( 2y ) + y( 3 ) - 2y( y ) - 2y( - 5 ) = 26


= > 2y² + 3y - 2y² + 10y = 26


= > 3y + 10y = 26


= > 13y = 26


$= > \frac{13y}{13} = \frac{26}{13} \\ \\ \\ = > y = 2$






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Hence, the value of y is 2 .