Question

4x² + 4bx - (a² - b²) = 0

Find zeroes by completing square method.

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Answer 1

Answer :

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Answer 2

Answer:

Step-by-step explanation:

4x² +4bx -(a² -b²) = 0

4x² +4bx -a² + b² =0

(2x)² + 2.(2x).b + b² -a² =0

(2x + b)² -a² = 0

use formula,

a²-b² = (a -b)(a + b)

{2x + b -a}{2x + b +a} =0

x = (a - b)/2 , - (a + b)/2

Hope it will help you