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Mathematics 16 Online
OpenStudy (anonymous):

How do you solve -4[(-2)(7) - 2 ]

OpenStudy (lgbasallote):

first solve (-2)(7). do you know what this equals to?

OpenStudy (anonymous):

-14

OpenStudy (lgbasallote):

correct. so what's the value of [(-2)(7) -2]

OpenStudy (anonymous):

-6?

OpenStudy (lgbasallote):

nope. [(-2)(7) - 2] = [-14 - 2]

OpenStudy (anonymous):

Oh duh right then what do you do

OpenStudy (lgbasallote):

combine it

OpenStudy (lgbasallote):

what is -14-2

OpenStudy (anonymous):

-16

OpenStudy (lgbasallote):

correct. so what's the value of -4[(-2)(7) - 2]

OpenStudy (anonymous):

-4[-16]

OpenStudy (lgbasallote):

right. so what's the value of that

OpenStudy (anonymous):

Idk what you would do

OpenStudy (lgbasallote):

multiply

OpenStudy (anonymous):

But that's no parenthesis so why would you multiply I though if its in brackets you don't multiply

OpenStudy (lgbasallote):

brackets, braces, parenthesis, any grouping symbol

OpenStudy (lgbasallote):

brackets are just used because you already have a parenthesis..but it works the same

OpenStudy (anonymous):

Oh ok so it's 64

OpenStudy (lgbasallote):

yup

OpenStudy (anonymous):

Ok thanks soo much

OpenStudy (lgbasallote):

welcome :D

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