Question

3* 2 la puterea a 5a + 2 la puterea a 5a
Cum se face ?
3 * 5^{2} + 5^{2} =

Answer 1

$3\cdot 2^5 +2^5=2^5(3+1)=2^5\cdot 4=2^5\cdot 2^2=2^{2+5}=2^7=128\\ \\ 3\cdot 5^2 + 5^2=3\cdot 25+25=75+25=100$