Question

b.) Use an area model to write an expressionequivalent to (5x - 3)(2k – 1)

Answer 1

Solution

For this case we want to create a box model with this equation:

$(5k-3)(2k-1)$

And we can create the following:

Then the final expression would be:

$10k^2-5k-6k+3=10k^2-11k+3$