If 7x notebooks cost Rs 49x² +56x +84 , then what is the cost of one notebook?
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Answer:
7x+8+12
x
Step-by-step explanation:
= 49x² +56x +84 ÷ 7x
= 49x² +56x +84
______________
7x
= 49x² + 56x + 84
7x 7x 7x
=7x+8+12
x
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