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anonymous

  • one year ago

Some steps to rewrite the expression x3 − 4x + x2 − 4 as a product of three factors are shown below: Step 1: x3 − 4x + x2 − 4 Step 2: x3 + x2 − 4x − 4 Step 3: x2(x + 1) − 4(x + 1) Which of the following best shows the next two steps to rewrite the expression

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  1. anonymous
    • one year ago
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    @kmullis6 @d3v13 @pooja195 @mishtea

  2. anonymous
    • one year ago
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    Use factor by grouping.

  3. anonymous
    • one year ago
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    I don't know how @mathway

  4. anonymous
    • one year ago
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    group it so the groups would be x^3-4x and x^2-4. you can factor out the x in x^3-4x so it'll be x(x^2-4) and x^2-4 you can factor out 1. so it'll be 1(x^2-4). so x^2-4 is seen in both groups, so it'll just be (x+1)(x^2-4) so i'm assuming it's step 3? because you'll get the same results.. since x+1 is seen in bth groups but i'm not sure haha

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