December 2018 1 51 Report
Bentuk x² + x -7 = 0 ekuaivalen dengan....

a. (x + 1/2)² - 1/4 + 7 = 0
b. (x - 1/2)² - 1/4 + 7 = 0
c. (x + 1/2)² - 1/4 - 7 = 0
d. (x - 1/2)² - 1/4 - 7 = 0
e. (x + 1/2)² - 7 = 0

Mohon dengan cara pengerjaan ya kak, soalnya belum ngerti.
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