Question

1) resolva a equação:
2[{(2² + 3² + 4 − 20)} + {(2 − 4)²+14} + (36-12+4²)]=

Answer 1

$2[[(2^2 + 3^2 + 4-20)] + [(2-4)^2+14] + (36-12+4^2)]= \\ 2[[(4 + 9-16 )] + [(2-4)(2-4)+14] + (24+16)]= \\ 2[-3 + [4-8-8+16+14] + 40]= \\ 2[-3 + 18 + 40]= \\ 2[-3 + 58]= \\ 2[55]= \\ 110$