rachelfranklin1030 rachelfranklin1030

11-09-2020
Mathematics

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which expression is equivalent to the given expression. 3(x-7)+4(x^2-3x+9)

which expression is equivalent to the given expression 3x74x23x9 class=

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pinkbunnies pinkbunnies

11-09-2020

4x^2-5x+15 is the answer.

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11-09-2020

Step-by-step explanation:

= 3(x-7) + 4(x² - 2x + 9)

= 3x - 21 + 4x² - 8x + 36

= 4x² + 3x - 8x + 36 - 21

= 4x² - 5x + 15

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