Question

subtract -x square -3z from -y +z+7​

Answer 1

Answer:

$\\ \\ \\ { - x}^{2} - 3z \\ on \: subtracting \: signs \: are \: change \\ - y + z + 7 + { x}^{2} + 3z \\ = - y + 4z + 7 + {x}^{2}$

This is the answer

{on subtracting 1st equation signs are changed}