mj8822 mj8822
  • 12-10-2014
  • Mathematics
contestada

how do i factor the quadratic expression   4x^2-11x=3

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rabinshrestha41
rabinshrestha41 rabinshrestha41
  • 12-10-2014
4x² - 11x = 3
4x² - 11x - 3 = 0
4x² -12x + x - 3 = 0
4x (x - 3) + 1(x - 3) = 0
(x - 3) (4x + 1) = 0
Using zero product property,
Either,
     x - 3 = 0
          x = 3
Or,
     4x + 1 = 0
           4x = -1
             x = -1/4
Answer Link
MichaelLiu
MichaelLiu MichaelLiu
  • 12-10-2014
[tex]4 x^{2} -11x-3=0[/tex]
(4x+1)(x-3)=0
We can solve for x by setting each parentheses equal to 0
x= -1/4
x= 3
Answer Link

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