Solving Quadratics mixed practice

Solve by factoring: x² - 9x + 20 = 0

• x = -4 and x = -5

• x = 20 and x = -9

• x = 4 and x = 5

• x = -4 and x = 5

Solve the equation with the quadratic formula and fully simplify your answer.

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Solve.
n² - 2n = 0

• n = 2 and 0

• n = -2 and 0

• n = 2

• n = 0

• 3

• 8

• -9

• -3

Solve x² - 5x + 10 = 0

• (5 - i√15)/2  ,  (5 + i√15)/2

• (5 - √15)/2  ,  (5 + √15)/2

• (5 - i√65)/2  ,  (5 + i√65)/2

• (5 - √65)/2  ,  (5 + √65)/2

• No Solutions

Find the roots of the equation.