12a+5b by 7a-b multiply
Answers
Answered by
5
Step-by-step explanation:
12a(7a-b)+5b(7a-b)
84a²-12ab+35ab-5b²
84a²+23ab-5b²
Answered by
1
Answer:
7a(12a+5b) -b(12a+5b)
84a×a+35ab-12ab-5b×b
84a×a+23ab-5b×b
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