dion27
26.06.2019 •
Mathematics
Solve the quadratic equation below by completing the square 4n^2-16n-21=44 the solutions to the equation, in order from least to greatest, are n= and n=
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Ответ:
Step-by-step explanation:
4·n^2 - 16·n - 21 = 44
4·n^2 - 16·n = 65
n^2 - 4·n = 65/4
n^2 - 4·n + 4 = 65/4 + 4
(n - 2)^2 = 81/4
n - 2 = ± 9/2
n = 2 ± 4.5
n1 = -2.5 or n2 = 6.5
Ответ:
n = -5/2 and n = 13/2
Ответ:
theres nothing its just black
Step-by-step explanation: