Answer:
you can use quadratic formula for this equation
=
−
±√
²
−
4
÷2
Answer:
x^9^y^2 z^4
Step-by-step explanation:
Answer: (-2, 1)
Step-by-step explanation:
<span>x^2+4x-1/(x+2)^2=0
x^2 + 4x - 1 = 0
</span>

;
where a = 1, b = 4 and c = -1
322 is 7/10 of all the students.
322 / 7 = 46
46 is 1/10 of all the students.
46 × 10 = 460
460 is 10/10 of all the students
There are 460 students in eighth grade.