Solving Quadratics the ac method

Solve by factoring:

x² + 2x - 24 = 0

• x = -6, x = 4

• x = 6, x = -4

• x = 12, x = -2

• x = 8, x = -3

Convert x² - 9x + 20 = 0 to factored form and solve.

• (x-10)(x+2)=0; x = -2, 10

• (x+4)(x+5)=0; x = -5, -4

• (x-4)(x-5)=0; x = 4, 5

• Not factorable

Solve by factoring: x² + 3x - 18 = 0

• x = -3 and x = 6
• x = 3 and x = -6
• x = -9 and x = 2
• x = 9 and x = -2

Factor: 49x² - 100

• (49x + 100)(x - 1)
• (7x - 10)(7x + 10)
• (49x - 10)(x + 10)
• (7x -10)(7x - 10)

Solve 5x² = 13x+6

• x = -3, x = 2/5

• x = -2, x = 15

• x = 3, x = -2/5

• x = 2, x = -15

Solve by factoring: 2x² - 5x - 12 = 0

• x = -4 and x = -6
• x = 4 and x = -3/2
• x = 4 and x = 6
• x = -4 and x = 3/2

Solve by factoring: 5x² + 13x + 6 = 0

• x = -2 and x = -3/5
• x = 2 and x = 3/5
• x = -2 and x = 3/5
• x = 2 and x = -3/5

x² + 15x + 44 = 0

• {-8, 2}
• {-7, 5}
• {-11, -4}
• {-11}

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Solve the equation by factoring.