Question

Factorise
4x2+20xy+25xy2​

Answer 1

Answer:

(2x-5y)(2x-5y).

Explanation:

4 x^ 2 − 20 x y + 25x y ^2

= 4 x 2 − 10 x y − 10 x y + 25x y 2

= 2 x ( 2 x − 5 y ) − 5x y ( 2 − 5 y )  

= ( 2 x − 5 xy ) ( 2 x − 5x y )

Step-by-step explanation:  

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Answer 2

4x²+20xy+25y²

Splitting the middle term

4x² +10xy +10xy +25y²

2x(2x+5y)+5y(2x+5y)

(2x+5y)(2x+5y)