Andy estimated that he would need 72 feet of lumber for a tree house project. He later found that the actual amount of lumber ne
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Answer:
the Expression is :
(3) × (1 + 6d + 7y)
Step-by-step explanation:
here's the solution : -
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=》
now, since 3 is common in all terms let's take it out.
=》
=》so, ,we got the above expression as product of 3 and ( 1 + 6d + 7y ) as factors.