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I need help with these two equations and to explain how to do it

I need help with these two equations and to explain how to do it-example-1
User Thordarson
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1 Answer

9 votes

Answer:

27) (7 + 9) · 3 / 6 = 48/6 = 8

28) (-7)² - 3(-7)(4) = 49 - (-84) = 133

Explanation:

User Amrish Kakadiya
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