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OpenStudy (help!!!!):
Quick problem for undoing foiling. And please show me the steps
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OpenStudy (help!!!!):
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hero (hero):
Hint: x^2 -10x + 9x - (10)(9)
hero (hero):
x^2 - 10x - (10)(9) + 9x
OpenStudy (anonymous):
(x+a)(x+b) = x^2 + (a+b)x+ab Now I want a+b=-1 and ab=-90 What was that method called Hero. I remember my teacher gave it a funny name
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