7ab + 9ab + 7ad + 9cd FACTORISE
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Answered by
1
Answer:
I think it is correct
Step-by-step explanation:
7ab+9ab+7ad+9cd=0
7(ab+ad)+9(ab+ad)=0
16a(b+d)
Answered by
2
Answer: 7ab + 9ab + 7ad + 9cd
= 7ab+7ad+9ab+9cd
= 7a(b+d) +9(ab+cd)
=(7a+9)(b+d+ab+cd)
= (7a+b)[b(1+a)+d(1+c)]
Step-by-step explanation:
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