Find the value of c that completes the square x^2-16x+c

Please help me with how to do this, and show me. Thank you.

The value that completes the square is: c=8

Step-by-step explanation:

Find the value of c that completes the square  

The formula used is:

In the question given the value c can be found by breaking the middle term. we are given -16x while the general formula is 2ab for middle term so,

2(x)(8) = 16x

so, c= 8

Solving:

So, the value that completes the square is: c=8

3; 9 is 8 to -4

step-by-step explanation:

step-by-step explanation:

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