Question

102
Learning Mathematics - VIII
4. Add the following expressions:
(i) ab-bc, bc - ca, ca - ab
(ii) 5p2q2 + 4pq + 7,3 + 9pq – 2p292
(iii) 12 + m2 + n2, im + mn, mn + nl, nl+ Im
(iv) 4x3 - 7x2 + 9, 3x2 - 5x + 4,7x3 - 11x + 1, 6x2 - 13x

send quickly​

Answer 1

Step-by-step explanation:

• ab-bc+bc-ca+ca-ab = 0

• 5p2q2+4pq+7+3+9pq-2p2q2 = 3p2q2+13pq+10

• 12+m2+n2+im+mn+mn+nl+nl+lm = 12+m2+n2+2nl+2mn +2lm

• 4*3-7*2+9+3*2-5x+4+7*3-11x+1+6*2-13x = 51-29x

Hope this is helpful