Home > CCA2 > Chapter Ch1 > 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
She made a sign error while factoring. The correct factorization is