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OpenStudy (anonymous):
x^2-22x+◻ . Complete the square
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OpenStudy (anonymous):
Take 1/2 of the b term and square it. The b term is the coefficient of b, which is -22 in this problem. So, (1/2) of - 22 is - 11. Square -11, (-11)(-11) = 121 so 121 is what you will add to both sides.
OpenStudy (anonymous):
x^2 - 22x + 121..and that is a perfect square, (x - 11)(x - 11) = x^2 - 22x + 121
OpenStudy (anonymous):
pepee?
OpenStudy (anonymous):
awesome thanks!
OpenStudy (anonymous):
Welcome!
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