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Sub: Mathematics Part 2
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Answer:
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Answered by
1
Answer:
x = 2 and -20 / 3
Step-by-step explanation:
x + 10 x + 6
———— = ———
4x + 10 x + 10
=> ( x + 10 ) ( x + 10 ) = ( x + 6 ) ( 4x + 10 )
=> ( x + 10 )² = 4x² + 10x + 24x + 60
=> x² + 20x + 100 = 4x² + 34x + 60
=> 4x² - x² + 34x - 20x + 60 - 100 = 0
=> 3x² + 14x - 40 = 0
=> 3x² - 6x + 20x - 40 = 0
=> 3x ( x - 2 ) + 20 ( x - 2 ) = 0
=> ( x - 2 ) ( 3x + 20 ) = 0
=> x - 2 = 0 and 3x + 20 = 0
=> x = 2 and 3x = -20
=> x = 2 and x = -20 / 3
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