[tex] {x}^{2} + 3x - 4[/tex]
[tex] {x}^{2} + 4x - x - 4[/tex]
[tex]x(x + 4) - 1(x + 4)[/tex]
[tex]x = -4 \: and \: 1[/tex]
[tex]x = 1[/tex]
now shifted to 5 units left
therefore,
x=-4
hope it helps you mate thanks for the question and if possible please mark it as brainliest