Move to the left side of the equation by subtracting it from both sides.

Subtract from both sides of the equation.

Multiply each term in by .

Multiply .

Multiply by .

Multiply by .

Multiply .

Multiply by .

Multiply by .

To remove the radical on the left side of the equation, square both sides of the equation.

Multiply the exponents in .

Apply the power rule and multiply exponents, .

Cancel the common factor of .

Cancel the common factor.

Rewrite the expression.

Simplify.

Subtract from both sides of the equation.

Factor the left side of the equation.

Factor out of .

Reorder the expression.

Move .

Reorder and .

Factor out of .

Factor out of .

Rewrite as .

Factor out of .

Factor out of .

Factor.

Factor using the AC method.

Consider the form . Find a pair of integers whose product is and whose sum is . In this case, whose product is and whose sum is .

Write the factored form using these integers.

Remove unnecessary parentheses.

Multiply each term in by

Multiply each term in by .

Simplify .

Simplify by multiplying through.

Apply the distributive property.

Multiply by .

Expand using the FOIL Method.

Apply the distributive property.

Apply the distributive property.

Apply the distributive property.

Simplify and combine like terms.

Simplify each term.

Multiply by by adding the exponents.

Move .

Multiply by .

Multiply by .

Multiply by .

Add and .

Apply the distributive property.

Simplify.

Multiply .

Multiply by .

Multiply by .

Multiply .

Multiply by .

Multiply by .

Multiply by .

Multiply by .

Factor using the AC method.

Consider the form . Find a pair of integers whose product is and whose sum is . In this case, whose product is and whose sum is .

Write the factored form using these integers.

If any individual factor on the left side of the equation is equal to , the entire expression will be equal to .

Set the first factor equal to and solve.

Set the first factor equal to .

Add to both sides of the equation.

Set the next factor equal to and solve.

Set the next factor equal to .

Subtract from both sides of the equation.

The final solution is all the values that make true.

Exclude the solutions that do not make true.

Solve by Factoring x = square root of 12-x