18-05-2018
Mathematics

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Let x^2−20x=10. What values make an equivalent number sentence after completing the square?
x^2-20x+()=()

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MrGumby MrGumby

21-05-2018

100 and 110.

You would have to add 100 to both sides. This is because to complete the square, you need to take half of the x term and square it.

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