factorise 9 x cube minus 30 x square - 144 x
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Step-by-step explanation:
3x{3x^2-10x-48}
3x{3x^2-10x-48}
3x{3x^2-18x+8x-48}
3x{3x(x-6)+8(x-6)}
3x{(3x+8)(x-6)}
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