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The roots of x squared plus 4x minus 5 equals 0 are:
A1 and minus 5
B5 and minus 1
C2 and minus 5
D3 and minus 1
Answer & Solution
Correct answer: A. 1 and minus 5
1. Factorise as (x plus 5)(x minus 1).
2. Set each factor to zero.
3. The roots are 1 and minus 5.
_Source: NCERT Class 10 Mathematics, Chapter 4, Quadratic Equations._
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