Ms. Reginald gave the class the following expression to simplify 8 – 2(5x – 3). Who is correct and what were the mistakes the other students made?
Jamie showed the following work and answer
8-2(5x-3)
(8-2)5x-3
6(5x)-3
30x-3
Right/Wrong and Why?
Taylor showed the following work and answer
8-2(5x-3)
6-3-5x
3-5x
Right/Wrong and Why?
Sam showed the following work and answer
8+ (-2)(5x+(-3)
8+(-2)(5x)+(-2)(-3)
8+(-10x)+6
8+6+(-10x)
14+(-10x)
14-10x
Right/Wrong and Why?