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

1 answer:

jekas [21]3 years ago

8 0

Answer:

27) (7 + 9) · 3 / 6 = 48/6 = 8

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

Step-by-step explanation:

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