What number must you add to complete the square? x^2+ 12x = -5

Group terms that contain the same variable, and move the constant to the opposite side of the equation

(x²+ 12x) = -5

Complete the square. Remember to balance the equation by adding the same constants to each side

(x²+ 12x+36) = -5+36

Rewrite as perfect squares

the answer is

36

step-by-step explanation:

given expression is .

now we need to simplify the given expression .

we know that square root is equivalent to the power 1/2. so that means we can take half of the exponents to get the square root of given expression.

expanding that will give a very very large number so let's keep answer in exponent form.

step-by-step explanation:

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