Add in vertical arrangement-1 x y-y z-z x- 9 z x-7 y z-3 y x2 2 x-3 y- 6 x-2 y-4 x-12 y-z3 a2 b-b2 c-c2 a- 10 a c2-2 b a2-16 c b24 15 m n-6 a b-7 a b c- a b c-8 n m-20 b a

(1) Vertical arrangement: Writing the like terms one below the other, we get: nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; nbsp; xy+yz+zx+3yx+7yz+9zx4xy ...

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Coefficient

Add in vertic...

Question

Add (in vertical arrangement):

(1) xy + yz + zx, 9zx + 7yz + 3yx
(2) 2x + 3y, 6x – 2y, –4x + 12y – z
(3) a²b + b²c + c²a, 10ac² + 2ba² – 16cb²
(4) 15mn – 6ab + 7abc, abc – 8nm + 20ba

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