$$(1)=2^{2}+2+1=0$$
$\text{false}$
$$1=4+2+1\text{ and }2^{2}+2+1=0$$
$$1=6+1\text{ and }2^{2}+2+1=0$$
$$1=7\text{ and }2^{2}+2+1=0$$
$$\text{false}\text{ and }2^{2}+2+1=0$$
$$\text{false}\text{ and }4+2+1=0$$
$$\text{false}\text{ and }6+1=0$$
$$\text{false}\text{ and }7=0$$
$$\text{false}\text{ and }\text{false}$$
$$\text{false}$$
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