Question

3+ 2 .(( 3 elevado 2 -2) +( 5 elevado 1 - 2 elevado 2)) + 1

Answer 1

3+ 2 .(( 3 elevado 2 -2) +( 5 elevado 1 - 2 elevado 2)) + 1 =
3 +2.((3² -2) + (5¹ -2²)) + 1 =
3 +2.(( 9 -2 ) + (5 -4 )) + 1 =
3 +2.(  7  +1 ) +1 =
3 +2.8 +1 =
3 +16 +1 =
20