When simplified,7z^2-3X+4z^2+8x+3x is what?
When simplified,7z^2-3x+4z^2+8x+3x is what
=8x + 11z^2
7z^2-3X+4z^2+8x+3x
\(7z^2-3X+4z^2+8x+3x\\ =7z^2+4z^2-3X+8x+3x\\ =11z^2-3X+11x\\\)
If the x'es are meant to be the same then
\(x=11z^2+8x\)