Question

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Answer 1

Answer:

Step-by-step explanation:

Refer to attachment

Hope it helps :-)

Answer 2

Step-by-step explanation:

⇒ 4b²x² + a² - 4bxa = a² - 4b²

⇒ 4b²x² + a² - 4bxa - a² + 4b² = 0

⇒ 4b²x² -  4xa + 4b² = 0

⇒ 4b ( bx² - xa + b ) = 0

⇒ bx² - ax + b = 0