Question

Substract -x^2-3z from 5x^2-y+z+7​

Answer 1

Answer:

6x^2-y+4z+7

Step-by-step explanation:

$5x^2-y+z+7-(-x^2-0y-3z+0)\\=(5+1)x^2-y+(1+3)z+7\\=6x^2-y+4z+7$

∴$6x^2-y+4z+7$