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B. Directions: Write the equation in standard form given the following information, 1. The roots are 2 and -1. 2. The roots are and 3. The sum and product of the roots are -4 and 5, respectively​

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1. x = 2; x = -1

x - 2 = 0 ; x + 1 = 0

( x - 2 ) ( x + 1 ) = 0

x² - x - 2 = 0

2. x = 3

x - 3 = 0

( x - 3 )² = 0

x² - 6x + 9 = 0

3. b = sum of roots

c = product of roots

b = -4 ; c = 5

x² - 4 + 5 = 0

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