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14-08-2019
Mathematics

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simplify 2x(5x + 3) + 7(5x + 3)

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xinniiiy xinniiiy

14-08-2019

use distributive property to solve.
2x(5x+3) + 7(5x+3)
1. distribute

2x•5x = 10x^2
2x•3= 6x

10x^2+6x

7•5x = 35x
7•3= 21

35x+21

2. combine like terms

10x^2+6x+35x+21

10x^+ 41x +21 [final answer]

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