Question

Factorise the given sum.
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Answer 1

Step-by-step explanation:

(a²-b²)x²+2ax+1

= (a²-b²)x² + (a+b)x + (a-b)x +1

= (a+b)x(ax-bx+1) +1(ax-bx+1)

= (ax+bx+1)(ax-bx+1)

Answer 2

Answer:

This ans is did in shortcut

Step-by-step explanation:

x= -b±√b²-4ac/2a

x= -2a±√4a²-4a²+4b²/2a²-2b²

x= -2a±2b/2a²-2b²

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

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

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