Question

Check whether x=-4is zeroes of the polynomial p(x)=x2+2x-8.

Answer 1

Answer:

YES

Step-by-step explanation:

(-4)^2+2(-4)-8

16-8-8

16-16

0

Answer 2

Answer:

Step-by-step explanation:

P(-4)= 4²+2×4-8=0

= 16 + 8 - 8

= 24-8

= 16

Thus its not a zero of the polynomial

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