Question

Simplify this expression (5x+2)^2

Answer 1

[ Answer ]

$\boxed{25x^2 \ + \ 20x\ + \ 4}$

[ Explanation ]

• Simplify: $(5x \ + \ 2)^{2}$

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

$(5x)^{2}$ + 2 · 5x · 2 + $2^{2}$: $25x^{2}$ + 20x + 4

• Answer

$25x^{2}$ + 20x + 4

$\boxed{[ \ Eclipsed \ ]}$