Evaluate
24
Factor
2^{3}\times 3
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3h+12-3\left(h-4\right)
Use the distributive property to multiply 3 by h+4.
3h+12-3h+12
Use the distributive property to multiply -3 by h-4.
12+12
Combine 3h and -3h to get 0.
24
Add 12 and 12 to get 24.
3\left(h+4-\left(h-4\right)\right)
Factor out 3.
24
Simplify.
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