`30ab+12b+14a` में से `24ab-10b-18a` को घटाइए।

6ab + 12b = ____

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

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

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

Subtract the sum of 12ab-10b^2 -18a^2 and 9ab + 12 b^2+ 14a^2 " from the sum of " ab + 2b^2 and 3b^2-a^2 .