What number must be added to the expression below to complete the square? х2 - 20х

asked Aug 19, 2020 140k views

0 votes

What number must be added to the expression below to complete the
square?
х2 - 20х

by Khrm

5.5k points

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5 votes

Answer:

100

Explanation:

This is formula fot completing the square:

(b/2)^(2)

(-20/2)^(2)

100

Nico Erfurth answered Aug 24, 2020

5.8k points

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