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Completing the Square
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ax^2+bx+c
Take 1/2 of b and square it to find c
A
B
x^2 + 6x
9
x^2 + 14x
49
x^2 - 12x
36
x^2 -20x
100
4x^2 - 20x
25
9x^2 + 6x
1
x^2 + 5x
6.25
x^2 + 24x
144
Robin the Math Lady, Prof. Schwartz
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