Jawaban:
((x + 4) ÷ 5)² = 9
(x + 4) ÷ 5 =
(x + 4) ÷ 5 = ±3
(x + 4) ÷ 5 = -3
(x + 4) ÷ 5 = 3
x + 4 = -3 × 5
x + 4 = 3 × 5
x + 4 = -15
x + 4 = 15
x = -15 - 4
x = 15 - 4
x = -19
x = 11
x = -19 , x = 11
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Jawaban:
((x + 4) ÷ 5)² = 9
(x + 4) ÷ 5 =
(x + 4) ÷ 5 = ±3
(x + 4) ÷ 5 = -3
(x + 4) ÷ 5 = 3
x + 4 = -3 × 5
x + 4 = 3 × 5
x + 4 = -15
x + 4 = 15
x = -15 - 4
x = 15 - 4
x = -19
x = 11
x = -19 , x = 11