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(x + 6)² = 2²
x² + 12x + 32 = 0
(x + 4)(x + 8) = 0
x = - 4 atau x = 8
|x + 1| = |x + 2|
(x + 1)² = (x + 2)²
x² + 2x + 1 = x² + 4x + 4
2x = - 3
x = - 3/2