Algebra-2

Given f(x) = x² + 2d + 6, and f(0) = 12

To find the value of d, we need to substitute x = 0 and f(0) = 12 into the function:

f(0) = (0)² + 2d + 6 = 12

0 + 2d + 6 = 12

2d + 6 = 12

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