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kedjenpierrelouis
02.12.2020 •
Mathematics
Solve 4x2 + 16x – 84 = 0 by completing the square.
Question 4 options:
A)
x = –4, x = 21
B)
x = –3, x = 7
C)
x = –7, x = 3
D)
x = –21, x = 4
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