09. (a)Simplify: 2 a-4 x 25 X 10 x 5-3 a- a 8 (b)What should be subtracted from 9- xy + 7xyz to get

Question

09.
(a)Simplify:
2
a-4 x 25
X
10 x 5-3
a-
a 8
(b)What should be subtracted from 9- xy + 7xyz to get 5xyz – 18 + 7y ?​

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Melody 21 hours 2021-09-13T21:23:54+00:00 1 Answer 0 views 0

Answers ( )

    0
    2021-09-13T21:25:37+00:00

    Answer:

    b part

    Step-by-step explanation:

    whe have to find that what should be subtracted from 9-xy+7xyz to get 5xyz-18+7y

    so, for that let us take that q is subtracted

    • 9-xy+7xyz – q =5xyz-18+7y
    • 9-xy+7xyz-5xyz+18-7y=q
    • 27+2xyz-xy-7y = q

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