Solve the Equation by the Zero-Factor Property $$x ^ { 2 } + 14 x + 40 = 0$$

question 421

Multiple Choice

Solve the equation by the zero-factor property.
- $$x ^ { 2 } + 14 x + 40 = 0$$

• A) \(\{ 2 \sqrt { 10 } , - 2 \sqrt { 10 } \}\)
• B) \(\{ 4,10 \}\)
• C) \(\{ - 20 , - 8 \}\)
• D) \(\{ - 10 , - 4 \}\)

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