<span> 4(х-1) = 3х + ( х-4)
4x -4 = 3x + x - 4
4x - x -3x = -4 + 4
0x = 0
x = Любое число </span>
2(3а-8b)-4(-a+3b)
6a-16b+4a-12b
10a-28b
при a=2,7 b=-2
10(2,7)-28(-2)=27+56=83
11^3=11*11*11=1331
37^2=37*37=1369
370^2=370*370=136900
1100^3=1100*1100*1100=1331000000
(-5)^3=-125
(-13)^2=169
(-0,5)^2=0,25