Q:

1) Yessenia simplified an expression as shown below: Given: x + 6 + 3(x + 4) Step 1: x + 9(x + 4) Step 2: x + 9x + 36 Step 3: 10x + 36 In which step did Yessenia make a mistake? What should she have done instead? Your answer cannot exceed 75 words.

Accepted Solution

A:
well she made a mistake in step 1. it had to go like this;

x + 6 + 3(x + 4)
x + 6 + 3x + 12

and so on to find the right answer. hope this helps, God bless!