1. Mich forgot to subtract the 3x to the x in the numerator, and he forgot to simply 4 to 2
2. His numerator should be - 2
3. His denominator should be 2x
His final answer should be
-2/2x = -x
Answer:
a³+2a³+5
Step-by-step explanation:
7a³+14a+12+{-6a³}+12a²-7
=<u>7a³-6a³</u>+<u>14a+12a²</u>+<u>12-7</u>
=a³+2a³+5