2x²-5x-12=0 by completing square method ...
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Answered by
1
Answer:
The answer of this equation is √0.5/2
Answered by
0
Answer:
(x - 4) (4x - 5)
Step-by-step explanation:
==: 4x² - 21x + 20 = 0
==: 4x² - 16x - 5x + 20 = 0
==: 4x (x - 4) - 5 (x - 4) = 0
==: (x - 4) (4x - 5) = 0
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