Mathematics, 11.05.2021 20:40 formulabmath

Shana used a table to multiply the polynomials 2x + y and 5x – y + 3. Her work is shown below. A 3-column table with 2 rows. The first column is labeled 5 x with entries 10 x squared, 5 x y. The second column is labeled negative y with entries negative 2 y, negative y squared. The third column is labeled 3 with entries 6 x, 3 y. The first row is labeled 2 x and the second row is labeled y.
Muriel told Shana that one of the products in the table was incorrect.

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Shana used a table to multiply the polynomials 2x + y and 5x – y + 3. Her work is shown below. A 3-...