Chapter 1 - 1.4 - Quadratic Equations and Applications - 1.4 Exercises - Page 110: 30

{$\frac{-7-2\sqrt {11}}{4}, \frac{-7+2\sqrt {11}}{4}$}

$(4x+7)^2=44$ $4x+7=+\sqrt {44} or -\sqrt {44}=2\sqrt {11} or -2\sqrt {11}$ $4x = -7+2\sqrt {11} or -7-2\sqrt {11}$ x = {$\frac{-7-2\sqrt {11}}{4}, \frac{-7+2\sqrt {11}}{4}$}