Both are correct they just chose a different variable to solve for first. they will both get correct answers if they do the rest correctly.
I uploaded the answer t
o a file hosting. Here's link:
bit.
ly/3tZxaCQ
Answer:
x = 5
, −
4
Step-by-step explanation:
Solve the rational equation by combining expressions and isolating the variable x
.
(5x^2 - 7)(5x^2 + 7)
(5x^2)^2 - 7^2
25x^4 - 49
Answer:
25x^4 - 49
Hope this helps.