Find: (4x2y3 + 2xy2 – 2y) – (–7x2y3 + 6xy2 – 2y) place the correct coefficients in the difference.

Our required answer will be

Step-by-step explanation:

Since we have given that

We need to get the difference:

1) We first open the second bracket and make appropriate change in signs :

2) Gather the like terms together :

Hence, our required answer will be

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step-by-step explanation:

answer: the proof is mentioned below.

step-by-step explanation:

since, given:   lines bc = ef

prove:   lines ac > ef

          statements                                           reason

1. bc=ef                                           1. given

2. ac= ab+bc                                 2. because b is the point between the  

                                                            line segment ac

3.   ac > bc                                       3. because if a line segment is equal to

                                                          the sum of two line segments then it is

                                                          always greater then each of these

                                                          individual line segments

4. ac > ef                                         4. by equality property.