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OpenStudy (anonymous):
Algebra 1, help please! (:
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OpenStudy (anonymous):
Question: Explain how a four-term polynomial is factored by grouping and when a quadratic trinomial can be factored using this method. Include examples in your explanation.
OpenStudy (amoodarya):
\[2x^3-4x^2+2x-4 =\\2x^3+2x -4x^2-4 =\\2x(x^2+1) -4(x^2+1)=\\(x^2+1)(2x-4)\]
OpenStudy (anonymous):
Don't really understand what you just wrote.. o: Could you explain please? (:
OpenStudy (the_fizicx99):
He just grouped them
OpenStudy (anonymous):
Oh okay, thanks! (:
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OpenStudy (the_fizicx99):
yw!
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