50x²-2(x-2)²-factorise
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50x²-2(x-2)^2=50x^2-2(x^2-4x+4)
=50x^2-2x^2+8x-8
=48x^2+8x-8
=48x^2+24x-16x-8
=24x(x+1)-8(x+1)
=(24x-8)(x+1)
=50x^2-2x^2+8x-8
=48x^2+8x-8
=48x^2+24x-16x-8
=24x(x+1)-8(x+1)
=(24x-8)(x+1)
kunalt23:
wrong hai bhai!
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