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steve12335
02.12.2021 •
Mathematics
Complete the table
Original Price
Percent of Discount
Sale Price
64%
$72
(the answer is not 112.5 i tried it)
Solved
Show answers
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Ответ:
So that you have 2^3*x^3+1
Multiply the terms with equal exponents by multiply the bases (1 is basically the same as 1^3)
So that it becomes (2x)^3+1^3
Then, using a^3+b^3 equals (a+b)(a^2-2ab+b^2), factor the expression so that it becomes
(2x+1)((2x)^2-2x+1^2)
Expand the second bracket
So the two factors are (2x+1) and (4x^2-2x+1)