[tex]x^2+3x-4=0\\x_{1,\:2}=\frac{-3\pm \sqrt{3^2-4\cdot \:1\cdot \left(-4\right)}}{2}\\\\x_{1,\:2}=\frac{-3\pm \:5}{2}\\\\x_1=\frac{-3+5}{2},\:x_2=\frac{-3-5}{2}\\\\x=1,\:x=-4[/tex]
Pentru axa OX:
[tex]\left(1,\:0\right),\:\left(-4,\:0\right)[/tex]
Pentru axa OY:
[tex]\left(0,\:-4\right)[/tex]
