how would i answer

There is nothing to answer !!!!.

The LHS already = The RHS.

252 = 2 x 2 x 3 x 3 x 7

252 = 4 x 9 x 7

252 = 252 !!!!.

$252=2*2*3*3*7$

$252=4*9*7$

$252=36*7$

$252=252$