find the sum of 2x square +y square +xy,y square minus 3z square + yx and z square + x square +zx+ xyz minus 8
Answers
Answered by
4
(2x²+y²+xy)+(y²-3z²+yx)+(z²+x²+zx+xyz-8)
=2x²+y²+xy+y²-3z²+yx+z²+x²+zx+xyz-8
=2x²+x²+y²+y²-3z²+z²+z
xy+yx+zx+xyz-8
=3x²+2y²-2z²+2xy+zx+xyz-8
Similar questions