lilo1841
27.06.2019 •
Mathematics
By using the completing the squares method solve xsquared-8x+3=0
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Ответ:
x = 4 ±
Step-by-step explanation:
Given
x² - 8x + 3 = 0 ( subtract 3 from both sides )
x² - 8x = - 3
To complete the square
add ( half the coefficient of the x- term )² to both sides
x² + 2(- 4)x + 16 = - 3 + 16
(x - 4)² = 13 ( take the square root of both sides )
x - 4 = ± ( add 4 to both sides )
x = 4 ±
Ответ:
good omath
Step-by-step explanation:lol