Hello

I need to prove this and im having som trouble doing it.

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

Thank you for any assistance.

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- August 19th 2008, 09:44 AMMladen1Prove
Hello

I need to prove this and im having som trouble doing it.

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

Thank you for any assistance. - August 19th 2008, 10:25 AMo_O

Focus on the inside expression. Factor the red out to get your desired answer.

If it helps, imagine .

We then have: - August 19th 2008, 10:39 AMSoroban
Hello, Mladen1!

Quote:

I need to prove this and I'm having some trouble doing it.

. .

**what**is stopping you?

[1] Multiply out both sides and show that they are equal! . . .*Duh!*

[2] Or we can factor the left side . . .

. .

. . . . . common factor

. . . . . . . . .

. .