![image](https://tex.z-dn.net/?f=1%29+%28x%2B5%29%28x-5%29-%28x%2B3%29x+%5Cleq+x%2B1%5C%5C%0A+x%5E%7B2%7D+-25-+x%5E%7B2%7D+-3x-x-1+%5Cleq+0%5C%5C%0A-4x-26+%5Cleq+0%5C%5C%0A-4x+%5Cleq+26%5C%5C%0Ax+%5Cgeq+-+6%2C5%5C%5C+%0A2%29+%28y%2B4%29%284-y%29+%2B%28y%2B5%29y%3E6y-20%5C%5C%0A16-y%5E2%2By%5E2%2B5y-6y%2B20%3E0%5C%5C%0A-y%2B36%3E0%5C%5C%0A-y%3E-36%5C%5C%0Ay%3C36)
6y-20\\
16-y^2+y^2+5y-6y+20>0\\
-y+36>0\\
-y>-36\\
y<36" alt="1) (x+5)(x-5)-(x+3)x \leq x+1\\
x^{2} -25- x^{2} -3x-x-1 \leq 0\\
-4x-26 \leq 0\\
-4x \leq 26\\
x \geq - 6,5\\
2) (y+4)(4-y) +(y+5)y>6y-20\\
16-y^2+y^2+5y-6y+20>0\\
-y+36>0\\
-y>-36\\
y<36" align="absmiddle" class="latex-formula">