2. Which of the following quadratic equations below is in standard form?
A. (x + 7) (x – 7) = -3x
C. 5 – 2×2 = 6x
B. -3x (x + 5) = 0
D. x2 + 7x + 12 = 0
ITY
Standard Form is letter D.
Answer:
D
Explanation:
the answer is letter D if it is x²+7x+12=0