(ii) (x3 – 4x2 + 5x – 2) x(x2 + 2x - 1)
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Step-by-step explanation:
=(x3-4x2+5x-2)x(x2+2x-1)
=x5-4x4+5x3-2x2+2x4-8x3+10x2-4x-x3+4x2-5x+2
=x5-2x4-4x3+12x2-x+2
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