Упростите:
4m - 6m - 3m + 7m + m
-8 * (x - 3) + 4 * (× - 2) * (3x+1)

4m - 6m - 3m+7m+m-8*(x-3)+4*(x-2)*(3x+1) = 3m - 8x+24+ 4*(3x^2+x-6x-2) = 3m - 8x+24+12x^2+4x-24x-8 = 3m - 28x +16+12x^2

4m - 6m - 3m + 7m + m = 3m-8 * (x - 3) + 4 * (× - 2) * (3x+1) = -8х +24 + (4х -8 )*(3х+1) = -8х +24 + 12х2 +4х -24х -8 = 12х2 -28х +16 = 4(3х2 -7х +4)