Use models to prove that 3(a+b) is equivalent to 3a+3b

Place the following steps in order to complete the square and solve the quadratic equation,

Julian wrote the following numeric pattern on the board3,10,17,24,31,38.what numbers of julian's pattern are compound numbers.

Evaluate the discriminant of each equation. tell how many solutions each equation has and whether the solutions are real or imaginary. 4x^2 + 20x + 25 = 0