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OpenStudy (anonymous):
what is an example of a polynomial that can be factored ?
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OpenStudy (anonymous):
@iGreen
OpenStudy (anonymous):
@Hero
hero (hero):
Hint: create two binomials and multiply them together.
OpenStudy (igreen):
^^^^^^^^^^^^^^^^^^^^
You could make like:
(x - 1)(x - 1)
Can you multiply those together? @EuniceOB97
OpenStudy (anonymous):
x^-1x?
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OpenStudy (anonymous):
@iGreen
OpenStudy (igreen):
No..you multiply them together..
Multiply these:
\(x \cdot x\)
\(x \cdot -1\)
\(-1 \cdot x\)
\(-1 \cdot -1\)
OpenStudy (anonymous):
x^2 -1x -1x x 1
OpenStudy (anonymous):
is that it ? @iGreen
OpenStudy (igreen):
This part is correct: x^2 - 1x - 1x
But I don't know why you put 'x 1' there..what's -1 * -1?
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OpenStudy (anonymous):
positve 1
OpenStudy (anonymous):
is this able to be factored ?
OpenStudy (igreen):
Yes, so we have x^2 - 1x - 1x + 1, now can you subtract -1x - 1x?
OpenStudy (igreen):
@EuniceOB97 Yes, we already started with the factored form:
\((x - 1)(x - 1) \rightarrow (x - 1)^2\)
OpenStudy (anonymous):
okay so -1x-1x = -2
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OpenStudy (anonymous):
@iGreen
OpenStudy (igreen):
-2x, actually.
So our final answer is:
\(x^2 - 2x + 1\)
This can be factored into \((x - 1)(x - 1)\) or \((x - 1)^2\).
OpenStudy (anonymous):
okay so the polynomial is x^2-2x+1 ?
OpenStudy (igreen):
Yep.
OpenStudy (anonymous):
Omg thank you so much . But are you good in world geography ?
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