Which expression can be used to find the difference of the polynomials? (10m – 6) – (7m – 4)answer choices  [10m  +  (–7m)]  +  [(–6)  +  4](10m  +  7m)  +  [(–6)  +  (–4)][(–10m)  +  (–7m)]  +  (6  +  4)[10m  +  (–7m)]  +  [6  +  (–4)]

To add or subtract any algebraic expression,  variables add or subtract with variables and constant term add or subtract with constant terms in the expression.

To solve given expression, we use [10m + (–7m)] + [(–6) + 4] expression.

Given expression is,

                               (10m – 6) – (7m – 4)

Now, variables add or subtract with variables and constant term add or subtract with constant terms in the above expression.

                        10m - 6 - 7m + 4

                      (10m - 7m) + (-6 + 4)

                    [10m + (–7m)] + [(–6) + 4]

So, first option is correct.

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(10m – 6) – (7m – 4)

= 10m - 6 - 7m + 4

= 3m - 2

So

[10m + (–7m)] + [(–6) + 4]

= 3m + (-2)

= 3m - 2 matching answer.

Answer

[10m + (–7m)] + [(–6) + 4]

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