The system of equations is
.
First equation is
.
Add x to each side.
\

Find the value of x, and substitute
in
.


Subtract 25 from each side.
\

Divide each side by 2.
\
Factors the left side
.

Apply zero product property: ab = 0 then a = 0, b = 0.
\

Now solve for y and substitute
in
.


Subtract 4 from each side.
\

Now solve for y and substitute
in
.

Add 3 to each side.
\

The solutions of them system are
.
The solutions of them system are
.