Subtract `( -3ab)` from `12ab`

(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 -a^2-ab " from " b^2 +ab .

Subtract ab-bc-ca " from " -ab+bc+ca .

Subtract 2(ab+bc+ca) " from " -ab-bc-ca .

Subtract: 348.237 from 523.12

Subtract 24ab-10b-18a from 30ab-12b+14a

Subtract -2a^2-2b^2 " from " -a^2-b^2+2ab .