The first three steps for solving the quadratic equation by completing the square are shown. fill in the missing number in the
last step
9x2 +54x = 7
9(x2 + 6x) = 7

answer: get more recipes with 3 magazines for $20! i often use chicken broth instead of water. 3 tablespoons butter, divided; 1/2 cup freshly grated parmigiano-reggiano bring water and salt to a boil in a large saucepan; pour polenta slowly into 5 minutes to thicken; stir and taste for salt before transferring to a serving bowl.

m∠a is 90°

m∠b is 40°