I need to simplify for the question

Answer:
[tex]\tt x^2+3xy+4y^2[/tex]
Step-by-step explanation:
[tex]\tt(x-2y)^2+7xy\\\\=x^2-4xy+4y^2+7xy\\\\=x^2+3xy+4y^2[/tex]
Answer:
[tex] x^2 + 3xy + 4y^2 [/tex]
Step-by-step explanation:
[tex] (x - 2y)^2 + 7xy = [/tex]
[tex] = (x - 2y)(x - 2y) + 7xy [/tex]
[tex] = x^2 -2xy - 2xy + 4y^2 + 7xy [/tex]
[tex] = x^2 + 3xy + 4y^2 [/tex]