Answer:
lo siento mucho no habló ingles
Answer:
4x^2 + 28x + 48
hope this helps
have a good day :)
Step-by-step explanation:
Answer:
8
Step-by-step explanation:
The condition for the discriminant b² - 4ac is
If b² - 4ac > 0 then roots are real, irrational and unequal
If b² - 4ac > 0 and a perfect square, roots are real, rational and unequal.
Thus
b² - 4ac = 8
1/4=2/8
7/8-2/8=5/8
so 5/8 foot of the board is left
