itzlianne
20.12.2019 •
Mathematics
What number must be added to complete the square?
x²-20x =17
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Ответ:
(-20/2)^2
(-10)^2
100
So you would add 100 to both sides to complete the square
x^2-20x+100=117 now the left side is a perfect square
(x-10)^2=117
Ответ:
i need help with the problem too
by 3:00
Step-by-step explanation: