Question

3-4x^3+15=5^3+3^2
$3-4x^3+15=5^3+3^2$
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Answer 1

Despejamos x.

3 + 15 - 5³ - 3² = 4x³

3 + 15 - 125 - 9 = 4x³

-116 = 4x³

x³ = (-116)/4

x³ = -29

y me da que no existe