Answer:
-1
Step-by-step explanation:
Plug in the values:
Remember to apply order of operations (PEMDAS)
(25 - 4) / 7 - 4
21 / 7 - 4
3 - 4
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The correct answer is 7
(y^2-4x)/7-4
x=1 y=5
(5^2-4(1))/7-4
(25-4)/3
21/3
7
