1) -6=-Х/3 откуда Х=18
1,5=-Х/2 откуда Х= -3
2)4х+3=2/3
4х=11/3
Х=11/12
2)b=5-4=1
B=0-4=-4
<span>(x+4)^2-(x+1)(x-2)=2x-3
x^2+8x+16 - (x^2 - x - 2) - 2x + 3 = 0
x^2 + 8x + 16 - x^2 +x + 2 - 2x + 3 = 0
7x + 21 = 0
7x = - 21
x = - 3 </span>
<span>-7-10:(-2,5)-5*1/6=-7+10:2,5-5*6=-7+4-30=-3-30=-33</span>