Question

factorise 25y²+110y+121​

Answer 1

Answer:

(5y + 11)(5y + 11)

Step-by-step explanation:

25y²+110y+121​ = (5y)² + 2(5y)(11) + (11)²

Now this forms a² + 2ab + b² which is equal to (a + b)²

Here a=5y and b= 11

25y²+110y+121 =(5y + 11)² = (5y + 11)(5y + 11)