Answers

2015-07-13T21:06:14+08:00
2x²-12x-15=0
(divide it by 2 to cancel 2)
~> 2x²/2 - 12x/2 - 15/2 = 0/2
~> x² - 6x - 15/3 = 0
~> x² - 6x = 15/3
~> (b/2)² = (-6/2)² = (-3)² = 9
~> x²-6x+9=15/2+9
(find the LCD) (LCD=18)
~> (x-3)(x-3) = 15/18+162/18
tapos bahala kana kasi di naman perfect square yan.... hehehe
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