1.

Factorise y2+34y+289​

Answer»

Answer:

(y + 17)²    

Step-by-step explanation:

y² + 34Y + 289

= y² + 17Y + 17y + 289

= y(y + 17) + 17(y + 17)

= (17 + y) (17 + y)

= (17 + y)²

                                      Or

y² + 34y + 289

= (y + 17)²          (a² + 2ab + b² = (a + b)²)

Hope that helps you...☺



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