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The 'answer' is the number that 'x' must be in order to make the equation true.

(x + 3) (x + 3) = 36

Expand the left side:

x2 + 6x + 9 = 36

Subtract 36 from each side:

x2 + 6x - 27 = 0

Factor the left side:

(x + 9) (x - 3) = 0

This equation is true if either factor = 0:

x + 9 = 0 ===> x = -9

x - 3 = 0 ===> x = 3

Both values for 'x' are "answers" to the original equation.

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Q: What is the answer to the equation X plus 3 times X plus 3 equals 36?
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