The product of the roots of the equation x ^2 + x = 2 is:
The product of the roots of the equation x ^2 + x = 2 is -2. x^2 + x = 2 (x + 1/2)^2 - 1/4 = 2 (x + 1/2)^2 = 9/4 x + 1/2 = ±3/2 x = ±3/2 - 1/2 x = -2 , or x = 1 -2*1 = -2
Question
Updated 1/30/2015 9:42:44 PM
Rating
3
The product of the roots of the equation x ^2 + x = 2 is -2.
x^2 + x = 2
(x + 1/2)^2 - 1/4 = 2
(x + 1/2)^2 = 9/4
x + 1/2 = ±3/2
x = ±3/2 - 1/2
x = -2 , or x = 1
-2*1 = -2
Confirmed by Andrew. [1/30/2015 9:52:10 PM]

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