Question

calcula:
s=(1-10)+(4-10)+9-10)+...+(144-10)
por favor resolverlo

Answer 1

s=(1²-10)+(2²-10)+(3²-10)+...+(12²-10)
s=(-9)+(-6)+(-1)+6+15+26+39+54+71+90+111+134
s=-16+546
s=536