Answer:
[tex]4x^2+20xy+25y^2[/tex]
Step-by-step explanation:
[tex](2x + 5y)^2=(2x + 5y)(2x + 5)[/tex]
[tex](2x + 5y)(2x + 5y)[/tex]
[tex]4x^2+10xy+10xy+25y^2[/tex]
Hope this helps!
