Let a = x ^ 2 + 4 rewrite the following equation in terms of a and set it equal to zero. (x ^ 2 + 4) ^ 2 + 32 = 12x ^ 2 + 48 in what equation is the coefficient of the a term? in the following equation, what is the constant?

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the answer is b

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step-by-step explanation:

answer: c

substitute in the values.

for a:

f(0) = 0 + 9

f(0) = 9

a is a solution.

for b:

f(7) = 14 + 9

f(7) = 23

b is a solution.

for c:

f (3) = 6 + 9

f(3) = 15

c is not a solution. it's supposed to be 14.

for d:

f(2) = 4 + 9

f(2)= 13

d is a solution.