Question

solve xsquare +3x-4 .......plz answer it

Answer 1

$x {}^{2} + 3x - 4 \\ {x }^{2} + 4x - x - 4 \\ x(x + 4) - 1(x + 4) \\ (x - 1)(x + 4) \\ (x - 1) = 0 ...(x + 4) = 0 \\ x = 1 \: and \: 4$
x=1 , 4 is your answer