factorise x^2-48x-324
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x²-48x-324
=x²-54x+6x-324
=x(x-54) + 6(x-54)
=(x+6)(x-54)
Hence, x= -6 , x=54
=x²-54x+6x-324
=x(x-54) + 6(x-54)
=(x+6)(x-54)
Hence, x= -6 , x=54
129Raj:
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