Question

Factorise 4y²+20y+25​

Answer 1

Step-by-step explanation:

=4y²+10y+10y+25

=2y(2y+5)+5(2y+5)

=(2y+5)(2y+5)

=(2y+5)²

Answer 2

Answer:

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Step-by-step explanation:

= 4y^2+20y+25

= (2y)^2+10y +10y+(5)^2

= (2y)^2+5y+5y+(5)^2

= (2y+5) (2y+5)

= (2y+5)