Question

determine whether the x=1 is the root of the equation x2+4x-5=0​

Answer 1

Answer:

x2 + 4x - 5 = 0

taking x as 1

1^2 + 4(1) - 5 = 0

1+4-5 = 0

5 - 5 = 0

0 = 0

Lhs = Rhs thus verified

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