=10ав+b²-10ab+25a²=b²+25a²=5+25*9=5+225=230
10*3*√5+(√5 - 5*3)²
30*√5+(√5 - 15)²
30*√5 + 5-30*√5 + 225
5+225
230
=10ав+b²-10ab+25a²=b²+25a²=5+25*9=5+225=230
10*3*√5+(√5 - 5*3)²
30*√5+(√5 - 15)²
30*√5 + 5-30*√5 + 225
5+225
230