Topic: Quadratic Equations

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Answers
$1: x=9,-9$
$2: x=11,-11$
$3: x=-5,-9$
$4: x= \frac{3}{8}$
$5: x=\frac{-4}{5}, \frac{-16}{5}$
$6: x=10,-10$
$7: x=14,-2$
$8: x=9$
$9: x=5,-7$
$10: x=6$
$11: x=5,9$
$12: x=\frac{-5}{4},\frac{-3}{2}$
$13: x=1,-3$
$14: x=\frac{4}{3},-2$
$15: x=2,-2$
$16: x=0,1,-1$
$17: x=0,3,-3$