How Do I Simplify 1 − 1 2 m − 1 + 1 2 m Someone help. Somehow my textbook says that it simplifies to 1 − 2 2 m + 1 2 m I don't see this at all.

Question

How Do I Simplify   1  −      1          2              m        −        1              +      1          2              m            Someone help. Somehow my textbook says that it simplifies to   1  −      2          2              m              +      1          2              m             I don&#039;t see this at all.

verdesett014ci · Accepted Answer

They have just multiplied the second term by 1 but in a special way:                          1        −                  1                      2                          m              −              1                                      +                  1                      2            m                                              =                    1        −                  1                      2                          m              −              1                                      ⋅                  2          2                +                  1                      2            m                                              =                    1        −                  2                      2            m                          +                  1                      2            m

junoonib89p4 · Accepted Answer

1  −  (      1    2        )          m      −      1        +  (      1    2        )          m        ⇒  1  −            1              m        −        1                    2              m        −        1              +            1              m                    2              m              ⇒  1  −      1          2              m        −        1              +      1          2              m              ⇒  1  −            1      ⋅      2                      2                  m          −          1                    2        +      1          2              m              ⇒  1  −      2          2              m              +      1          2              m

How Do I Simplify 1 − 1 2 <mrow class="MJX-TeXAtom-ORD

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