Completing the Square

• yes, so we are finished with this step

• No, we have to divide the whole equation by that number.

• +9

• -9

• +36

• 6

• (x+3)(x+6)

• x=1

• x= -7

• x = -1

• x = 7

What do you do to the b value to correctly complete the square?

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When do you use the plus or minus symbol?

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Complete the square for

x² + 12x + ____

• x² + 12x + 144

• x² + 12x + 36

• x² + 12x - 36

• x² + +12x - 144