10 Mindful Minutes: Giving Our Children the Social and Emotional Skills to Lead Smarter, Hea

10 Mindful Minutes: Giving Our Children the Social and Emotional Skills to Lead Smarter, Hea

Matematika tolong bantu jawab kak​

tolong bantu jawab kak​

Jawaban:

E

Penjelasan dengan langkah-langkah:

|3 - |x|| = 1

|3 - |x||² = 1²

(3 - |x|)(3 - |x|) = 1

9 - 3|x| - 3|x| + x² = 1

|x|² - 6|x| + 8 = 0

(|x| - 4)(|x| - 2) = 0

|x| = 4 atau |x| = 2

x = 4 atau x = -4 atau x = 2 atau x = -2

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