Question

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Answer 1

Answer:

Answers

Step-by-step explanation:

b) 2x (4x + 2xy)

8x2 + 4x2y

How: 2x* 4x = 8x2

         2x * 2xy = 4x2y

3) Add: 5x(3-x) + 6x (x-2)

= 5x (3 - x) ------> 15x - x2

= 6x (x - 2) ------> 6x2 - 12x

= (15x - x2) + (6x2 - 12x)

= Rearrange terms: (15x2 - x2) + (6x2 - 12x)

                                 (-x2 + 15x) + (6x2 - 12x)

= Eliminate redundant parentheses: (-x2 + 15x) + (6x2 - 12x)

                                                             -x2 + 15x + 6x2 - 12x

= Combine like Terms: -x2 + 15x + 6x2 - 12x

                                       5x2 + 15x - 12x

= Combine Like Terms: 5x2 + 15x - 12x

                                        5x2  + 3x

=Solution: 5x2  + 3x

*Sorry if the answer is wrong i did it in a hurry..