Question

find the sum of 2x squared + y squared + xy, y squared - 3z squared + yx and z squared + x squared + zx + xyz - 8

Answer 1

solve 2x²+y²+xy+y²-3z²+yx+z²+x²+zx+xyz-8

3x²+2y²-2z²+xy+yx+zx+xyz-8. ans