(2x - 3)² = 4x² + ax 9
Ho to a=???
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Answer:12
Step-by-step explanation:
(2x - 3)² = 4x² + ax + 9
=> 4x² + 12x + 9 = 4x² + ax + 9
=> 12x = 4x² + ax + 9 - 4x² - 9
=> 12x = ax
=> 12x / x = a
=> 12 = a
=> a = 12
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