Kadesha is simplifying the expression below.She lists the steps that she uses to simplify the expression as follows:Step 1: Distribute –1 through , and distribute –2 through .Step 2: Rewrite the expression as .Step 3: Combine –x and –2x, and combine –3 and –2.Step 4: The simplified expression is .In which step did Kadesha make the first error?
Answer
A
She made the first error in Step 1 because only –2 should be distributed through the parentheses.
B
She made the first error in Step 2 because Step 2 should be .
C
She made the first error in Step 3 because –x and –2x cannot be combined.
D
She made the first error in Step 4 because the simplified expression is .