Question

HELP !!!

What is the simplest form of the expression?
3[14 / (4^2 - 3^2) - 5]

A) -9
B) 27
C) 21
D) 6

Answer 1

ok so how would you begin?

Answer 2

PEMDAS so ( )'s

Answer 3

yep! good, so how would you work the inside of the brackets?

Answer 4

btw what does PEMDAS stand for?

Answer 5

so we cannt looking at 3[14 / (4^2 - 3^2) - 5]
we are looking at this
14 / (4^2 - 3^2) - 5

Answer 6

( )'s
Exponents
Multiplication, Division
Addition, Subtraction

Answer 7

ah cool, so back to you question :) what would you work out first in this?
14 / (4^2 - 3^2) - 5

Answer 8

parentheses
Exponents Multiplication, Division Addition, Subtraction

Answer 9

So it'd now be 14 / (16 - 9) - 5

Answer 10

continue! going great!

Answer 11

then 14 / 7 - 5

Answer 12

Then 2 - 5

Answer 13

then 3 x -3 = -9 ???

Answer 14

so A ?

Answer 15

sry wasnt focusing lol checking now! xD

Answer 16

ya

Answer 17

i think

Answer 18

and it's (14 / 7) - 5 and not 14 / (7-5) ?

Answer 19

which is it? cause it matters

Answer 20

true da

Answer 21

u askin me ?

Answer 22

yep, was the question
3[14 / ((4^2 - 3^2) - 5)]
or
3[(14 / (4^2 - 3^2)) - 5] ?

Answer 23

There was no double ( )'s

Answer 24

like was the -5 part of the denominator or no?

Answer 25

the -5 part was . . .3^2) -5 ]

Answer 26

3[14 / (4^2 - 3^2) - 5]
3[14 / (16 - 9) - 5]
3[14 / (7) - 5]
from there is where the brackets aren't clear if the next step is
3[ 2 - 5]
or
3[14 / 2]
get it?

Answer 27

cause idk if only 7 is the denominator in the question of 7 - 5 was the denominator

Answer 28

this is the original problem
3[14 / (4^2 - 3^2) - 5]

Answer 29

or