7k+4p+8z+3*(k+p+z) нужно упростить

Question

7k+4p+8z+3*(k+p+z) нужно упростить

Answer 1

7k+4p+8z+3*(k+p+z)=7k+4p+8z+3k+3p+3z=(7k+3k)+(4p+3p)+(8z+3z)=10k+7p+11z

Answer 2

7k+4p+8z+3*(k+p+z)=7k+4p+8z+3k+3p+3z=10k+7p+11z