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Sebelumnya soal kita copy dulu ya dek
1. 2x² - 8 =
Selesaikan satu dulu
2(x-2)(x+2)
angka 2 menghilang dan nilai x didapatkan
x =2 dan x = -2
2. 2x² - 5x + 3 =
Nah satu lagi
(x-1)(2x-3)
x = 1 dan