Question

${4 }^{2} - 18 \times + 72 = 0$
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Answer 1

Resposta:

${4}^{2} - 18x + 72 = 0$

$16 - 18x + 72 = 0$

$-18x +88 = 0$

$-18x = -88$

$x = 44/9$