## Intermediate Algebra for College Students (7th Edition)

FALSE. The value of $u$ must be set to $\sqrt{x}$ to solve the equation. $x - 9\sqrt{x} + 14 = 0$ $u^2 - 9u + 14 = 0$ Get the factors: $(u-2)(u-7)=0$ $u-2=0$ or $u-7=0$ $u=2$ or $u=7$
FALSE. The value of $u$ must be set to $\sqrt{x}$ to solve the equation. $x - 9\sqrt{x} + 14 = 0$ $u^2 - 9u + 14 = 0$ Get the factors: $(u-2)(u-7)=0$ $u-2=0$ or $u-7=0$ $u=2$ or $u=7$