" Subtract: "4p^(2)+5q^(2)-6r^(2)+7" From "3p^(2)-4q^(2)-5r^(2)-6

Subtract: 4pq - 5a^(2) - 3p^(2) "from" 5p^(2) + 3q^(2) - pq

Subtract : 3p^(3)-5p^(2)q from q^(2)+p^(2)q-4p^(3)

Subtract: 4pq-5q^2-3p^2 from 5p^2+3q^2-pq

If p = -2, q = - 1 and r = 3, find the value of (i) p^(2) + q^(2) - r^(2) (ii) 2p^(2) - q^(2) + 3r^(2) (iii) p - q - r (iv) p^(3) + q^(3) + r^(3) + 3 pqr (v) 3p^(2) q + 5pq^(2) + 2 pqr (vi) p^(4) + q^(4) - r^(4)

(a) Subtract 4a-7ab+3b+12 from 12a-9ab+5b(r) Subtract 3xy+5yz-7zx from 5xy-2yx+10xyz( ij ) Subtract 4p^(2)q-3pq+5pq^(2)-8p+7q-10 from 18-3p-11q+5pq-2pq^(2)+5p^(2)q

Subtract: 4pq – 5q^2 – 3p^2 from 5p^2 + 3q^2 – pq

Subtract : 5p - 3q - 2r " from " 7p + 2q - 5r

(a) Subtract 4a-7ab+3b+12 from 12a-9ab+5b-3 (b) Subtract 3xy+5yz-7zx from 5xy-2yz-2zx+10xyz (c) Subtract 4p^2q-3pq+5pq^2-8p+7q-10 from 18-3p-11q+5pq-2pq^2+5p^2q