Question

4ײ-4=0 equação de segundo grau ​

Answer 1

$\LARGE\tt{}4 {x}^{2} - 4 = 0 \\ \LARGE\tt{} {x}^{2} - 1 = 0 \\ \LARGE\tt{} {x}^{2} = 1 \\ \LARGE\tt{}x = \pm \: 1 \\ \LARGE\tt{}x = - 1 \\ \LARGE\tt{}x = 1 \\ \LARGE\tt{} x_{1} = - 1 \\ \LARGE\tt{} x_{2} = 1 \\ \\ \\ \LARGE\tt{}s \{ x_{1} = - 1 \} \\ \LARGE\tt{}s \{ x_{2} = 1 \}$

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