2. Verify whether - 1 is the root of quadratic equation x2 + 4x – 5 = 0
2
Answers
Answered by
0
Answer:
no -1 is not the root of this equation
Answered by
8
Step-by-step explanation:
x²+4x-5=0
-1²+4*-1-5
1-4-5=0
1-9=0
-8 is not equal to 0
hence -1 is not root of this equation
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