CBSE Class 11-science Answered
22?
Asked by smanishkumar2002 | 09 May, 2018, 12:03: PM
Expert Answer
(x2 + x - 2)(x2 +x - 3) = 12
put x2 + x = m
and solving it you will get m = 6 or m = -1
Hence,
x2 + x = 6 or x2 + x = -1
x2 + x - 6 = 0 or x2 + x + 1 = 0
x = -3 or x = 2 or x2 + x + 1 = 0
x2 + x + 1 = 0 this equation has non-real roots find it using formula and then find sum of two non-real roots.
Answered by Sneha shidid | 09 May, 2018, 02:49: PM
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