What number must you add to complete the square? x2 - 20x = 17
2 answers:
Answer:
To complete the square:
1) Move the "non X" term to the right:
(Already done)
2) Divide the equation by the coefficient of X² which in this case is 4
(Already done)
then:
• take the coefficient of X
-20
• divide it by 2
-10
• square that number
100
• then add it to both sides of the equation.
So, the answer is A 100
Source:
http://www.1728.org/quadr2.htm
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Step-by-step explanation:
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see below...
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