The first six steps of the derivation of the Quadratic Formula are listed below. 01
+
a
a
1. ax2 + bx + c = 0
2. x2 +
3. x2 + x + = 0
4. x2 + x=-
5. x2 + x +
6. (x + )2 =
b2
4a2
b2-4ac
+
a
422
4a2

Suppose you are choosing a 6-digit personal access code. this code is made up of 4 digits chosen from 1 to 9, followed by 2 letters chosen from a to z. any of these digits or letters can be repeated. find the total number of personal access codes that can be formed. 492,804 341,172 39,917,124 4,435,236

Simplify (8x2 − 1 + 2x3) − (7x3 − 3x2 + 1). −5x3 + 11x2 − 2 5x3 − 11x2 + 2 x3 + 2x2 + x3 x3 − 2x2 − x3

What are the solutions of the equation x4 – 5x2 – 14 = 0? use factoring to solve. someone !