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Which of the following equations has its roots as 4 and -5?
Question 1
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Which of the following equations has its roots as 4 and -5?
x
2
+ 4x - 20 = 0
x
2
+ x + 20 = 0
x
2
- x + 20 = 0
x
2
+ x - 20 = 0
x
2
- x - 20 = 0
Answer Details
Read lesson note on Quadratic Equations (WAEC)
Quadratic Equations
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