Respuesta :

[ Answer ]

[tex]\boxed{25x^2 \ + \ 20x\ + \ 4}[/tex]

[ Explanation ]

  • Simplify: [tex](5x \ + \ 2)^{2}[/tex]

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  • Apply Perfect Square Formula ([tex](a \ + \ b)^{2}[/tex] = [tex]a^{2}[/tex] + 2ab + [tex]b^{2}[/tex]) a = 5x, b = 2

[tex](5x)^{2}[/tex] + 2 · 5x · 2 + [tex]2^{2}[/tex]: [tex]25x^{2}[/tex] + 20x + 4

  • Answer

[tex]25x^{2}[/tex] + 20x + 4

[tex]\boxed{[ \ Eclipsed \ ]}[/tex]

Answer:

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Step-by-step explanation:

(5x+2)^2

=(5x+2)(5x+2)

=(5x)(5x)+(5x)(2)+(2)(5x)+(2)(2)

=25x^2+10x+10x+4

=25x2+20x+4