Jessica rewrites Expression 1 as d + d + d + 5 + 5 + 5.
Why might she have done this?
2 answers:
Jessica may have done this to help adding her like terms. Because expression is just adding the (d+5) three times then you would just take them out of the parentheses and can set them up as how Jessica rewrote it.
Answer:
she wrote it to make it simpler to add.
Step by step:
A triangle has 3 sides. It's given sides are d+5. All sides are d+5 because it is an equilateral triangle.
The answer to the question you were looking for is: SHE COMBINED THE <u><em>LIKE TERMS </em></u> SO IT WOULD BE EASY TO ADD THEM.
Hope it helps....
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