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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: syllabus Mathematics, Chapter 4, Quadratic Equations._
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