What value is added to both sides of the equation x^2-2x=10 in order to solve by completing the square? -2 -1 1 2

asked Apr 25, 2020 158k views

3 votes

What value is added to both sides of the equation x^2-2x=10 in order to solve by completing the square?

-2
-1
1
2

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2 votes

Answer:

Explanation:

Add the square of half the x coefficient: (-2/2)^2 = 1.

SternK answered May 1, 2020

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