Question

$the lcm of 12(x^4-x^3) (x^4-3x^3 +2x^2) .$

Answer 1

x^4–3x^3+2x^2

=x^2(x^2–3x+2)

=x^2(x-1)(x-2)

2nd expression

x^4-x^3

x^3(x-1)

So the lcm of both expression is

x^3(x-1)(x-2)

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