Question

Values that are solutions to the inequality x2 + 3x – 4 > 0.

Answer 1

$x^2 + 3x - 4 > 0\\ x^2-x+4x-4>0\\ x(x-1)+4(x-1)>0\\ (x+4)(x-1)>1\\ x\in(-\infty,-4)\cup(1,\infty)$