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= 3x - 2 + (4 - 2x - 2x + x²) - 3
= 3x - 2 + 4 - 2x - 2x + x² - 3
= x² + 3x - 4x -2 - 3 + 4
= x² - x - 1
semoga membantu :)
3 (x-1) + (2-x) 2 - 3
3(x) - 3 (1) + 2(2) - 2(x) - 3
3x - 3 + 4 - 2x - 3
3x - 2x - 3 + 4 - 3
x - 2
Semoga Membantu
Amin