Subtract
-4xy+2abfrom10xy-4ab
To subtract the algebraic expressions arrange the like terms in the same column
10xy-4ab-4xy+2ab+-(changingthesignofliketerms)___________14xy-6ab___________
Subtract:
2ab+cdfrom4ab-3cd
Question 82 (iii)
2ab2c2+4a2b2c−5a2bc2 from−10a2b2c+4ab2c2+2a2bc2
Add the following
2ab-3cd,4ab+5cd