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2 months ago
Completing the Square - Solving Quadratic Equations
Visit : http://bit.ly/pTquLB for your 14 day free trial at Thinkwell! Videos, Quizzes, Tests and More!
Completing the Square - Solving Quadratic Eq...
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2 months ago
tanning a deer hide, easy as Aa Bb Cc hide tanning part c deerhide.net
Deer,deer hide tanning at home this video goes over how to tan a deer hide and other hide,s easy as Aa Bb Cc part C goes over pickling your deer hi...
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1 year ago
Rebecca Orndorff: Mathematics in Secondary Education
A brief description of my teaching philosophy and classroom.
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@dialectical44
You are adding 9 therefore you also need to subtract it (this is because you can't arbitrarily add in a number to an equation without changing the original equation. By also subtracting it you are keeping the original equation.) You subtract it from the 8 because we put that numbe...