To complete the square, you need to have all of the constants (numbers that are not attached to variables) on the right side of the equals sign. In this example, you can achieve this by subtracting 9 from both sides and

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answered • expert verified Complete the square to solve the equation below. x²+x =7/4 A.)x=3, x= -1 B.)x= -2+ √2, x= -2- √2 C.) x= -1/2+√2, x= -1/2- √2 D.) x=1+ √-2, x= 1- √2

Now lets solve the problem ∵ x² + x = 11/4 ⇒ subtract 11/4 from both sides ∴ x² + x - 11/4 = 0 - Put the equation equal the form of the completing square ∵ x² + x - 11/4 = (x - h)²

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