Заполним таблицу, подставляя значения x в выражения:
x | -3 | -2 | -1 | 0 | 1 | 2 | 3 |
---|---|---|---|---|---|---|---|
3x-5 | 3*(-3)-5 = -9-5 = -14 | 3*(-2)-5 = -6-5 = -11 | 3*(-1)-5 = -3-5 = -8 | 3*0-5 = 0-5 = -5 | 3*1-5 = 3-5 = -2 | 3*2-5 = 6-5 = 1 | 3*3-5 = 9-5 = 4 |
5-3x | 5-3*(-3) = 5+9 = 14 | 5-3*(-2) = 5+6 = 11 | 5-3*(-1) = 5+3 = 8 | 5-3*0 = 5-0 = 5 | 5-3*1 = 5-3 = 2 | 5-3*2 = 5-6 = -1 | 5-3*3 = 5-9 = -4 |
x (5-3) | -3*(5-3) = -3*2 = -6 | -2*(5-3) = -2*2 = -4 | -1*(5-3) = -1*2 = -2 | 0*(5-3) = 0*2 = 0 | 1*(5-3) = 1*2 = 2 | 2*(5-3) = 2*2 = 4 | 3*(5-3) = 3*2 = 6 |