Answer:
x=-y/3
y=-3x
Step-by-step explanation:
dy/dx=4x-y means 4x-y=0
dy/dx=x-2y also means x-2y=0 then
4x-y=x-2y
3x=-y
y=-3x
x=-y/3
Answer: B
Step-by-step explanation:
Lol it’s ok ::
The above expression is not in its simplest form, and we need to simplify it, that is what asked in the question.
Given equation,

First of all, let's open the parentheses to combine the like terms for simplifying.

Arranging the like terms, x² with x², x with x and constant terms near to each other.

Simplying further,


So, the correct option is C
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I know this is old question but i'd like to solve it :)