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Given 4x2 – 7x = -3, what are the solutions??

User Andrean
by
6.1k points

2 Answers

0 votes

Explanation:

4*2-7x=-3

8-7x=-3

-7x=-3-8

-7x=-11

x=-11/-7

x=1.5714...

User Aplassard
by
6.0k points
4 votes

Answer:

  • x = {3/4, 1}

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
User Aljana Polanc
by
6.2k points