Question

Qual è a resposta.? (54)²=

Answer 1

$\boxed{54^2 = 54*54 = 2916}$

Espero ter ajudado. :))

Answer 2

$(x + y)^{2}=x^{2}+2xy+y^{2}$
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$54^{2} = (50 + 4)^{2} \\ 54^{2}=50^{2}+2*50*4+4^{2}$
$54^{2}=2500+400+16 \\ 54^{2}=2916$