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p(x)=2x2+4x−6p(x) = 2x ^ 2 + 4x - 6 is a polynomial For what number of x, is p(x) = 0 ?

A3

B2

C-2

D-3

Answer:

D. -3

Read Explanation:

p(x)=2x2+4x−6p(x) = 2x ^ 2 + 4x - 6

p(−3)=2(−32)+4(−3)−6p(-3)=2(-3^2)+4(-3)-6

=18−12−6=18-12-6

=0=0


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