factorise: 4x²+3x-7
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Hey There
Here's The Answer
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• 4x² + 3x - 7 = 0
=> 4x² - 4x + 7x - 7 = 0
=> 4x ( x - 1 ) + 7 ( x - 1 ) = 0
=> ( 4x + 7 ) ( x - 1 ) = 0
• Case I
=> 4x + 7 = 0
=> 4x = - 7
=> x = - 7/4
• Case II
=> x - 1 = 0
=> x = 1
Hope It Helps.
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