Decades: 160s BC 150s BC 140s BC 130s BC 120s BC - 110s BC - 100s BC 90s BC 80s BC 70s BC 60s BC
Years: 119 BC 118 BC 117 BC 116 BC 115 BC 114 BC 113 BC 112 BC 111 BC 110 BC
... is to add a constant (i.e., in this case, a quantity that does not depend on x) to the expression to the left of "=", that will make it a perfect square trinomial of the ...