Question

ALGUEM ME AJUDA
x + 3 = 9/3x

Answer 1

Olá!

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Resolução,

$\mathsf{x + 3 = \dfrac{9}{3x}}$

$\mathsf{3x\cdot (x + 3) = 9}$

$\mathsf{3x^2 + 9x = 9}$

$\mathsf{3x^2 + 9x - 9 = 0}$

$\mathsf{As~raizes~s\~ao,}$

$\boxed{\mathsf{x' = 0,7913}}$

$\boxed{\mathsf{x" = - 3,7913}}$

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Abraços!