Question

$${ a }^{ 3 } { \left( { a }^{ 2 } -7 \right) }^{ 2 } -36a$$

Evaluate

$a\left(\left(a\left(a^{2}-7\right)\right)^{2}-36\right)$

Show Solution

Expand

$a^{7}-14a^{5}+49a^{3}-36a$

Show Solution