PLEASE HELP. NO LINKS. NEED REAL EXPLANATION.
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Answer:
Step-by-step explanation:
This is very easy watch
x^2-16x+ __
what do we do to find the blank?
We divide 16 by 2 to get 8
then we take the square of 8
which is 64
so this would be x^2-16x+ 64 = 64
REMEMBER 64 goes to BOTH sides of equation