# Appendix A - A.5 - The Quadratic Formula and Square Root Properties - Exercises - Page 555: 28

$x = 0~~$ or $~~x = 7$

#### Work Step by Step

We can solve the incomplete quadratic equation: $2x^2 = 14x$ $x^2 = 7x$ $x^2-7x = 0$ $(x)~(x-7) = 0$ $x = 0~~$ or $~~x = 7$

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