Question

зделайте пример 4))))

Answer 1

$|x - 1.7| = 2.3 \\ x - 1.7 = 2.3 \\ x - 1.7 = - 2.3 \\ x = 4 \\ x = 0.6 \\ {x}^{1} = - 0.6 \\ {x}^{2} = 4$