4x²-y²+6y - 9 factorise it.
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= 2x^2-(y^2+3^2-2*y*3)
= (2x)^2-(y-3)^2
= (2x-y+3) (2x + y - 3)
Hope it's helps you
= (2x)^2-(y-3)^2
= (2x-y+3) (2x + y - 3)
Hope it's helps you
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hey here is your and wer
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