2(x+3)²-(x-1)²=x(x-3) tollong dijawab yah pake cara

Materi : Persamaan Kuadrat

Pembahasan :
2(x + 3)² - (x - 1)² = x(x - 3)
2(x² + 6x + 9) - (x² - 2x + 1) = x² - 3x
2x² + 12x + 18 - x² + 2x - 1 = x² - 3x
x² + 14x + 17 = x² - 3x
14x + 3x = -17
17x = -17
x = -1

Hp : {-1}