Question

Y+x2=4x
Y+4x=16
Find x and y

Answer 1

Do you mean:
\( Y+x^2=4x \\
Y+4x=16 \\
\)
Subtract one equation from the other to get
\( Y-Y3+x^2-4x = 4x -16\)
Can you take it from here?

Answer 2

Y3 should read Y.

Answer 3

So Y3 is just y

Answer 4

There was a typo, the last line should have read:
\( Y-Y+x^2-4x = 4x -16\)
which simplifies to:
\( x^2-8x+16=0\)
which is a quadratic you could solve by factoring.
After that, you can evaluate Y from one of the two original equations.

Answer 5

Ohhh okay thank you! :)

Answer 6

yw!