Respuesta :
Step-by-step explanation:
4*2-7x=-3
8-7x=-3
-7x=-3-8
-7x=-11
x=-11/-7
x=1.5714...
Answer:
- x = {3/4, 1}
Step-by-step explanation:
- 4x² - 7x = -3
- 4x² - 7x + 3 = 0
- 4x² - 4x - 3x + 3 = 0
- 4x(x - 1) - 3(x - 1) = 0
- (x - 1)(4x - 3) = 0
- x - 1 = 0 | 4x - 3 = 0
- x = 1 | x = 3/4