A=(x+2)(x+5)(x+3)(x+4)-24=($x^{2}+7x+10)(x^{2}+7x+12)$-24Dat t=$x^{2}+7x+11$$\Rightarrow$A=(t-1)(t+1)-24=$t^{2}-1-24=t^{2}-25=(t-5)(t+5)$ =($x^{2}+7x+6)(x^{2}+7x+16)$ =(x+1)(x+6)($x^{2}+7x+16)$
$A=(x+2)(x+5)(x+3)(x+4)-24=($x^{2}+7x+10)(x^{2}+7x+12)$-24
$Dat
$t=
$$x^{2}+7x+11$$\Rightarrow
$$A=(t-1)(t+1)-24=$
$t^{2}-1-24=t^{2}-25=(t-5)(t+5)$
$=(x^{2}+7x+6)(x^{2}+7x+16)$
$=(x+1)(x+6)(x^{2}+7x+16)$