Soal Kumon Level - H
“It’s impossible,” Rina whispered.
Her mother leaned over. “Done?”
Problem 8: x² - 4x - 12 = 0 . Multiply to -12, add to -4? -6 and +2. (x - 6)(x + 2) = 0 → x = 6, x = -2. soal kumon level h
“It’s impossible,” Rina whispered.
Her mother leaned over. “Done?”
Problem 8: x² - 4x - 12 = 0 . Multiply to -12, add to -4? -6 and +2. (x - 6)(x + 2) = 0 → x = 6, x = -2. soal kumon level h
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