Home > CCA2 > Chapter 1 > Lesson 1.1.3 > Problem 1-36
1-36.
Step 1: | ||
Step 2: | Therefore, | |
Step 3: | So |
Nissos tried to explain to Chelita that she had done something wrong. What is Chelita’s error? Justify and explain your answer completely.
Notice that 10x is being subtracted, not added.
She made a sign error while factoring. The correct factorization is