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

asked Feb 20, 2018 7.6k views

1 vote

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

PLEASE INCLUDE STEPS

by Rost

8.7k points

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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

Mlemos answered Feb 26, 2018

8.5k points

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