sue101
Find the least common multiple of x^3  x^2 + x 2 and x^2  1. Write the answer in factored form.



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sue101
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@ajprincess

ajprincess
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First try to factorise the given expressions.

sue101
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idk how to factorize

ajprincess
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How will u find lcm of 2 and 3?

sue101
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lcm is 6

ajprincess
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Ya good:) hw did u find it?@sue101

sue101
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i just multiplied them together lol

ajprincess
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dw:1359653647279:dw
l.c.m of 6 and 12 can be found in the following way.
dw:1359653755976:dw
Do u get this?

sue101
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yes i do

ajprincess
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nw treat the expressions given to u as numbers nd try to do it.
x^3x^2+x2=1*(x^3x^2+x2)
x^21=1*(x1)(x+1)

sue101
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(x + 1)²(x – 1)
(x + 1)(x – 1)(x² + 1)
(x³ – x² + x – 1)(x² – 1)
(x + 1)(x – 1)(x² – 1)

ajprincess
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is it x^3x^2+x2 or x^3x^2+x1?

sue101
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x³ – x² + x – 1 and x² – 1.

ajprincess
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x^3x^2+x1=x^2(x1)+1(x1)
=(x^2+1)(x1)