Question

check whether -1,2 are zeroes of the polynomial p(x) =x2-4x-5
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Answer 1

Answer:

2 is the zero of the polynomial

Step-by-step explanation:

Answer 2

Answer:

x = -1 & 2

Putting each values one by one in the equation!

p(x) = x²-4x-5

p(-1) = (-1)²-4(-1) -5

1+4-5 = 0

Hence, (-1) is the zero for this equation!

p(x) = x²-4x-5

p(2) = (2)²-4(2)-5

4-8-5 = -9

Hence, (2) is not the zero for this equation!

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