Answer:
x=15
Step-by-step explanation:
thats what i got
Hope this helps!
False Happy Thanksgiving :)
Answer:
To determine the nature of roots of quadratic equations (in the form ax^2 + bx +c=0) , we need to calculate the discriminant, which is b^2 - 4 a c. When discriminant is greater than zero, the roots are unequal and real. When discriminant is equal to zero, the roots are equal and real.
Answer: Decreased by 12 students
Step-by-step explanation:
40-28=12