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If using the method of completing the square to solve the quadratic equation x² – 8x 1= 0, which number would have to be added to "complete the square"?

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asked Jul 24, 2022 101k views

2 votes

If using the method of completing the square to solve the quadratic equation

x² – 8x
1= 0, which number would have to be added to "complete the
square"?

Mathematics
high-school

Refti asked

by Refti

7.7k points

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1 Answer

6 votes

You add half of the coefficient of x and square it.

What you do on one side,you must do it on the other.

Kosmos answered Jul 28, 2022

by Kosmos

8.9k points

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If using the method of completing the square to solve the quadratic equation x² – 8x 1= 0, which number would have to be added to "complete the square"?

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