Sagot :
1
lwh=1728;
w=h-4;
l=h+6;
Determine using information given
2
(h-4)(h+6)(h)=1728
Substitution
3
h3+h2-24h-1728
Simplify
4
(h-12)(h2+14h+144)
Factor
5
h=12; l=18; w=8
Solve and plug back in.
RESULT
h=12; l=18; w=8
1
lwh=1728;
w=h-4;
l=h+6;
Determine using information given
2
(h-4)(h+6)(h)=1728
Substitution
3
h3+h2-24h-1728
Simplify
4
(h-12)(h2+14h+144)
Factor
5
h=12; l=18; w=8
Solve and plug back in.
RESULT
h=12; l=18; w=8