You would do the parenthesis first and then outside the parenthesis and for the second one you multiply -3 by the answer for the parenthesis
The number of boys is half the amount of the number of girls.
the number of girls in the class is double the amount of the boys.
hope this helps you
2x -4xydy/dx+ 2ydy/dx= 0
(2y-4xy) dy/dx = -2x
dy/dx = -2x / 2y-4xy
B I’m pretty sure okay bye
Good evening.
This is a
incomplete quadratic equation, because it does not have the term
bx. Therefore, we can solve this faster with the following strategy:

Add
16 to both sides:

Take the square root:

Therefore: