77. What should
be subtracted from
a3 - 4a2 + 5a - 6 to obtain a2 - 2a +1?
(A) -a3 + 5a2 - 7a+7
(B) a3-5a2 + 7a-7
(C)-a3-5a2 + 7a+ 7
(D) a3 + 5a2 - 7a-7
Answers
Answered by
0
Answer:
a3-4a2+5a-6-(a2-2a+1)
remove bracket and simplify
Step-by-step explanation:
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Answered by
1
Step-by-step explanation:
answer is c
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