Question

The formula : X²+(a+b)x+ab=(x+a) (x+b)
Problems
1 .) X² +5x+6 =?
2) a²-6a+8=?
3). p²-p-6 =?




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Answer 1

Answer:

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Answer 2

1. x² + 5x + 6 = x² + 2x + 3x + (2)(3)

= (x + 2) (x + 3)

2. a² - 6a + 8 = a² + 2a + 4a + (2)(4)

= (a + 2) (a + 3)

p² - p - 6 = p² + 2p + (-3p) + (2)(-3)

= (p + 2) (p + (-3))