(D) Let the polynomial be $p(x) = x^{2}-7x+12$.To find the value of the polynomial at $x=-2$,substitute $-2$ for $x$ in the expression:$p(-2) = (-2)^{

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(D) Let the polynomial be $p(x) = x^{2}-7x+12$.To find the value of the polynomial at $x=-2$,substitute $-2$ for $x$ in the expression:$p(-2) = (-2)^{2} - 7(-2) + 12$$p(-2) = 4 + 14 + 12$$p(-2) = 30$.Therefore,the value of the polynomial at $x=-2$ is $30$.