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K to the second power minus 2 times k plus 12, k=4 PLEASE INCLUDE STEPS

K to the second power minus 2 times k plus 12, k=4 PLEASE INCLUDE STEPS
asked 7.6k views
1 vote
K to the second power minus 2 times k plus 12, k=4

PLEASE INCLUDE STEPS

asked
User Rost
by
8.7k points

1 Answer

3 votes
k^2-2*k+12
Substitute 4 for k
4^2-2*4+12
Square 4
16-2*4+12
Multiply 2 by 4
16-8+12
Subtract 8 from 16
8+12
Add
Final Answer: 20
answered
User Mlemos
by
8.5k points
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