Розвяжить неривнисть -x²+2x+15>0
0\\-x^2+5x-3x+15>0\\-x(x-5)-3(x-5)>0\\-(x-5)(x+3)>0\\(x-5)(x+3)0} \atop {x+3" alt="-x^2+2x+15>0\\-x^2+5x-3x+15>0\\-x(x-5)-3(x-5)>0\\-(x-5)(x+3)>0\\(x-5)(x+3)0} \atop {x+3" align="absmiddle" class="latex-formula">
0\\-x^2+5x-3x+15>0\\-x(x-5)-3(x-5)>0\\-(x-5)(x+3)>0\\(x-5)(x+3)0} \atop {x+3" alt="-x^2+2x+15>0\\-x^2+5x-3x+15>0\\-x(x-5)-3(x-5)>0\\-(x-5)(x+3)>0\\(x-5)(x+3)0} \atop {x+3" align="absmiddle" class="latex-formula">