Find the common
Verify whether -1 is the root of quadratic equation x2+4x-5=0
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Answer:
no
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Answered by
1
root of given equation is-1
x = -1
(-1)² + 4 × (-1) - 5 = 0
1 -4 -5 = 0
-3 - 5 = 0
-8
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