Question

Simplify :

(i) 7x – 8y + 9z + 3x + 7y – 8z

(ii) (36x2
– 9m2+n2
) – (9x2+8m2+n2
)


tell me right solution then I will mark you as brainliest​

Answer 1

Step-by-step explanation:

(1) 7x-8y+9z+3x+7y-8z

7x+3x-8y+7y+9z-8z

10x-1y+1z ans

please mark me as brainlist

Answer 2

Answer:

1 = 7x + 3x + 7y -8y - 8z + 9z

= 10x - 1 y + 17z

( No. 2 the question isnt in full form so i cant understand it nicely. )

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