am+m² = m(a+m) = -3.4(-6.6-3.4) = -3.4*(-10) = 34
bn²-n³ = n²(b-n) = 6.25(12.5+2.5) = 6.25*15 = 93.75
-k²-kp = -k(k+p) = -42.91(42.91+57.09) = -42.91*100 = -4291
