# Chapter 11 - Section 11.2 - Solving Quadratic Equations by Completing the Square - Exercise Set: 43

This quadratic equation has one real solution.

#### Work Step by Step

Rewrite the quadratic equation into standard form. $4x^2+12x+9=0$ $a=4, b=12, c=9$ therefore, $b^2-4ac=12^2-4(4)(9)$ $=0$ This quadratic equation has one real solution.

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