9ab-3ac+4abc-7,9ab+3ac-4bc-7
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Answered by
2
Answer:
(9ab-3ac+4abc-7)(9ab+3ac-4bc-7)
=> 9ab-3ac+4abc-7-9ab-3ac+4bc+7
=> -3ac + 4abc -3ac + 4bc
=> -3ac-3ac + 4abc + 4abc
=> -6ac +8abc
ʜᴏᴘᴇ ɪᴛ ʜᴇʟᴘ ᴜ
Answered by
1
9 ab -3 ac +4 abc -7,9 ab +3 ac -4bc -7
=( 9 ab-3 ac+4 abc -7) -(9 ab + 3 ac-4bc -7)
=9 ab- 9 ab -3 ac -3 ac +4bc +4 bc -7 +7
= -6 ac -8 bc +14
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