giampschool giampschool
  • 12-02-2021
  • Mathematics
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When I have the problem (x−2)^2, why is the answer not x^2−4 or x^2+4?

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jacobryanak
jacobryanak jacobryanak
  • 12-02-2021

Answer:

We need to square a binomial.

The following rule is applied:

In our example,

    is equal to ,

    is equal to  and

    is equal to .

Step-by-step explanation:

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