Question

Are the expression 5[4x + 3] and 20x + 3 equivalent? Why or Why not.

Answer 1

`5(4x + 3) = 20x + 15`

`20x + 3`

5(4x + 3) is not equal to 20x + 3. The 5 is distributed to the 4x and 3 resulting in 20x + 15 and not 20x + 3.