Question
Solve the equation \( p^{2}-8 p+12=0 \) by factoring. \( p=\square \) If there is more than 1 solution, separate the values with a comma. \( > \) Next Question
Ask by Vaughan Smith. in the United States
Mar 11,2025
Upstudy AI Solution
Tutor-Verified Answer
Answer
\( p = 2, 6 \)
Solution
1. Start with the equation:
\[
p^2 - 8p + 12 = 0
\]
2. Look for two numbers that multiply to \(12\) and add to \(-8\). These numbers are \(-2\) and \(-6\) because:
\[
(-2) \times (-6) = 12 \quad \text{and} \quad (-2) + (-6) = -8
\]
3. Rewrite the quadratic as a product of factors:
\[
(p - 2)(p - 6) = 0
\]
4. Use the Zero Product Property. Set each factor equal to zero:
- \( p - 2 = 0 \) which gives \( p = 2 \)
- \( p - 6 = 0 \) which gives \( p = 6 \)
5. The solutions are:
\[
p = 2, 6
\]
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Bonus Knowledge
To solve the equation \( p^{2}-8 p+12=0 \) by factoring, we first need to find two numbers that multiply to +12 (the constant term) and add to -8 (the coefficient of \( p \)). The numbers -6 and -2 fit the bill since \(-6 \times -2 = +12\) and \(-6 + -2 = -8\). Therefore, we can factor the equation as \( (p - 6)(p - 2) = 0 \). Setting each factor to zero gives us the solutions \( p = 6 \) and \( p = 2 \). So, \( p=6, 2 \)