Mathematics
Related Questions
(i) What should be subtracted from x + 2y - 3z to get 3x - 2y + z?
(ii) What should be subtracted from 2x2 - y2 + 4z2 to get x2 + y2 - z2?
(iii) What should be subtracted from 1 + x - x2 to get 2x + x2?
(i) What should be added to 7a - 9b + 13c to get 9a + b - c?
(ii) What should be added to 1 + 2x - 3x2 to get x2 - x - 1?
(iii) What should be added to m2 - 2mn + 5n2 to get n2 + mn - m2?
By how much does 3x3 - 5x2 + 2x - 3 exceed 2x3 - 3x2 + x + 1?
How much is -x2 + 7y2 - 3xy less than 2x2 - y2 + xy?