ddranch ddranch

21-09-2016
Mathematics

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Which expression is equivalent to this one? 9(x – 23) A. 9x – 23 B. 9x – 9 · 23 C. 9x · (–23) D. 9 + x – 23

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pfmawuq pfmawuq

21-09-2016

B. 9x - 9*23
When something is outside a parenthesis, you have to do the operation to both numbers in the parenthesis. so 9(x-23) is the same as 9x - 9*23

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