A. Write each equation in standard form then identify the values of a, b, and c.

1. 2x² + 5x - 3=0
2. 3-2x² = 7
3. x (4x + 6) = 28
4. (3x-7) (5x+2) = 0
5. 5x (x+3) = 3x-4

B. Given the equations x² + 4x +4= 0 and 5x² + 20x +20=0, are the values of c equal? Explain your answer.​