Respuesta :

okpratikshaok57

Step-by-step explanation:

4*2-7x=-3

8-7x=-3

-7x=-3-8

-7x=-11

x=-11/-7

x=1.5714...

mhanifa

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

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