Faktor dari 4x² – 7x + 3
Penjelasan dengan langkah-langkah:
4x² – 7x + 3 = 0
= (4x – 3)(x – 1)
= 4x(x) + 4x(– 1) – 3(x) – 3(– 1)
= 4x² – 4x – 3x + 3
= 4x² – 7x + 3 (Terbukti)
Maka :
(4x – 3)(x – 1) = 0
4x – 3 = 0 V x – 1 = 0
4x = 3 x = 1
x = 3/4