(D2+6d+9)+(d3-6d+9) ​

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(D2+6d+9)+(d3-6d+9)

asked Dec 26, 2021 43.6k views

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(D2+6d+9)+(d3-6d+9)

Mathematics
high-school

Twinj asked

by Twinj

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You can’t add d2 or d3 so ignore it for now u will subtract -6d from +6d to get 0 then add 9+9
Answer:
d3+ d2 + 18

D3 has to be in front because it has a larger exponent

Scott Nelson answered Dec 30, 2021

by Scott Nelson

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