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Lingz
21.05.2021 •
Mathematics
Use the equation x2 - 10x = 11 to fill in the table below.
a) What number is added to both sides so the left side is a perfect square trinomial?
b) After adding the answer from part a) and factoring the left side, what is being squared on the left side?
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Ответ:
a) 25
b) the square root of 36 should be done
Step-by-step explanation:
x² - 10x = 11
take half of 10 and square it
x² - 10x + 25 = 11 + 25
(x-5)² = 36
x-5 =![\sqrt{36}](/tpl/images/1338/8976/d1893.png)
x - 5 = 6 and x - 5 = -6
x = 11 and x = -1
Ответ:
hope i helped!