what should be subtracted from 3x^3 - y +7z to get 4x^2 - 4y + z
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Answer:
-4x² + 3y + 3x³ + 6z
Step-by-step explanation:
let the number which has to subtract be k
therefore:
3x³ - y + 7z - k = 4x² - 4y + z
- k = 4x² - 4y + z - (3x³- y + 7z)
- k = 4x² - 4y + z - 3x³ + y - 7z
- k = 4x² - 3y - 3x³ - 6z
k = -4x² + 3y + 3x³ + 6z
lakshmysuneeth:
no thats not the answer the options are
x^2 - 3y - 6z
what do you mean?
-x^2 - 3y +6z
7x^2 - 5y + 8z
-x^2 - 3y - 6z
these are the options plz tell me the correct answer plss
I don't know! i just answered you question. All these options are wrong
:(
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