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OpenStudy (anonymous):
what is the expression in factored form? 9x^2-18x+9
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OpenStudy (charlotte123):
@KLC14720 9(x -1)^2 ^_^ http://www.wolframalpha.com/input/?i=9x%5E2-18x%2B9+factored :D if ya need more help on these, I will be glad to help out ^_^
OpenStudy (anonymous):
how did u get that
OpenStudy (charlotte123):
@KLC14720 9x² - 18x + 9 = 9(x² - 2x +1) = 9(x-1)² :D
OpenStudy (anonymous):
i got 9(x^2-2x+1) but i dont understand how u got 9(x-1)^2
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