3x x 7 2 0 12 OA B Use the formula x b b 4ac 2a with a What is the solution set b and c 2 Rewrite the equation so the constant term is on the right side and the coefficient of x is equal to 1 Add Then take the square root and isolate x 1 to both sides and factor the left side as a perfect spare 36 2 Write the equation in the form x p by moving the constant term and x term to the right side of the equation and then dividing both sides by solve for x D Set the equation equal to 0 and factor the nonzero side of the equation Set each factor equal to 0 and solve The solution set is Simplify your answer Type an exact answer using radicals as needed Use a comma to separate answers as needed Take the sp