a b c d e f g h i j k l m n o p q r s t u v w x y z {\displaystyle a^{b^{c^{d^{e^{f^{g^{h^{i^{j^{k^{l^{m^{n^{o^{p^{q^{r^{s^{t^{u^{v^{w^{x^{y^{z}}}}}}}}}}}}}}}}}}}}}}}}}}
∣ x ∣= k {\displaystyle \mid x\mid =k}
( x 2 − 9 ) ⋅ ( x 2 + 8 ) ≥ 0 {\displaystyle (x^{2}-9)\cdot (x^{2}+8)\geq 0}
( 6 + 7 ) 2 {\displaystyle (6+7)^{2}} 6 2 + 2 ⋅ 6 ⋅ 7 + 7 2 {\displaystyle 6^{2}+2\cdot 6\cdot 7+7^{2}}
ABUFALIA
