Question

add this expression
7a2bc, -3abc2, 3a2bc, 2abc2

9ax, 3by – cz, -5by + ax + 3cz

Xy2z2 + 3x2y2z – 4x2yz2, -9x2y2z + 3xy2z2 + x2yz2

5x2 - 3xy + 4y2 – 9, 7y2 + 5xy – 2x2 + 13

3a(a – b + c), 2b(a – b + c)

Answer 1

1st equation answer-:10a2bc-abc2
2nd equation answer-: 10ax-2by+2cz
3rd equation answer-: 4xy2z2-6x2y2z-3x2yz2
4th equation answer-: 3x2+2xy+11y2+4
5th equation answer-: 3a2-ab+3c-2b2+2bc