Question
Jacob incorrectly factored 5x2−11x+2
using the following steps.
Step 1: 5x2−(10x+x)+2
Step 2: (5x2−10x)+(x−2)
Step 3: 5x(x−2)+1(x−2)
Step 4: (5x+1)(x−2)
In which step did he first make an error?
(1 point)
using the following steps.
Step 1: 5x2−(10x+x)+2
Step 2: (5x2−10x)+(x−2)
Step 3: 5x(x−2)+1(x−2)
Step 4: (5x+1)(x−2)
In which step did he first make an error?
(1 point)
Answers
Answer
Why?
Answered by
GPT 3.5
Step 1: 5x2−(10x+x)+2
Answered by
GPT 3.5
The error occurred in Step 1 when Jacob incorrectly distributed the negative sign in front of the x in the second term. Instead of getting -11x, he ended up with -(10x + x) which simplified to -11x. This error carried through the following steps and resulted in an incorrect factored form.
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