Solving Polyomaisl by Factoring COmpletely

• x = - 4 and x = - 5

• x = 20 and x = - 9

• x = 4 and x = 5

• x = - 4 and x = 5

Solve by Factoring:
x² + 15x + 64 = 20

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

Solve by Factoring:  4x² + 11x - 3 = 0

• x = -3/4 and x = -1
• x = 4 and x = 3
• x = 1/4 and x = -3
• x = -1/4 and x = 3

Solve by factoring:3x² + 5x + 2 = 0  

• x = -2/3 and x = -1
• x = -3/2 and x = -1
• x = 2/3 and x = 1
• x = 2/3 and x = -1

Solve
16a² - 9 = 0

• a = ^-3/₄, ³/₄ 
• a = ^-4/₃, ⁴/₃ 
• a = ^-9/₁₆, ⁹/₁₆ 
• a = ^-16/₉, ¹⁶/₉ 

Find all roots:
 $x^3-125=0$  

• {5,  $\frac{-5\pm5i\sqrt{3}}{2}$  }

• {5,  $\frac{-5\pm i\sqrt{83}}{2}$  }

• {5, $\frac{-3\pm i\sqrt{91}}{2}$  }

• {5,  $\frac{-3\pm i\sqrt{83}}{2}$  }

Solve, choose all that apply.

x³ + 2x² + 5x + 10 = 0

• -2

• 2

• -i√5

• i√5

• 0

Find all roots:
 $x^3+8x^2+25x=0$  

• {0,  $-3\pm4i$  }

• {0,  $-4\pm3i$  }

• {0,  $-4\pm i\sqrt{7}$  }

• {0,  $\frac{-4\pm i\sqrt{59}}{3}$  }