ksweet17 ksweet17

30-10-2018
Mathematics

contestada

I need the answers to 9-12! Tysm!

I need the answers to 912 Tysm class=

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zainabekram2 zainabekram2

30-10-2018

Answer:

9) 5y

10) 10 x² - 4

11) 2a ∧5 + 5b

12) 8m +4n + 2

Step-by-step explanation:

9) 8 y - 3 y = 5y

10) 6x² + 4 (x²-1) = 6x²+ 4x²-4 = 10x²-4

11) 4a∧5 - 2a∧5 +4b + b = 2a∧5 +5b

12) 8m +14-12+4n = 8m+4n+2

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