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Completing the Square and Square Root Property

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Use the square root property to solve the following equations.
x^2= 169
x^2-12=0
5x^2-65=0
(x-2)^2= 25

Solve the equation by completing the square.
x^2+4x-21=0
x^2+16x+43=0
x^2+12x=-13
x^2+15=-10x
4x^2+16x+7=0

Use the quadratic formula to solve the following equations
x^2+7x+6=0
x^2-22x+121=0
2x^2-(square root 7)x-1=0
x^2+16x+53=0
2x^2+12x=-5
4x^2=-12x-3

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Completing the Square and Square Root Property are investigated.

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