+13 votes
431 views
in Math by (185k points)

I've got these types of questions on my computer test:

ex.: 4x​( 4-1)

What does this mean. Can you explain? Thanks!




3 Answers

0 votes
by (284k points)
Pemdas

parentheses

Exponents

multiplication & division

addition & subtraction

 

the stuff in parentheses you calculate first

 

E.g.: 4 x (4-1) = 4 × 3(cuz 4-1=3) =12

Hope this helps
+1 vote
by (448k points)

 

(2x^2 + 1)(2x^2 - 1) 

Sorry I have a hard time to explain this

+2 votes
by (110k points)

nope sorry..i dont realy know what it means i just wanna answer for no aparent reason




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