Question

упростите выражение.
а) 3р(8с+1)-8с(3р-5) б) 5n^2 (3n+1)-2n(5n^2-3)

Answer 1

а) 3p*8c+3p*1 - 8c*3p+8c*5 = 24pc+3p-24pc+40c = 3p+40c
б) 15n^3+5n^2 - 10n^3+6n = 5n^3 + 5n^2 + 6n