What order do we follow in solving multiple step problems?
A. MAD
B. PEMDAS
C. FOIL
D. SADMEP
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OpenStudy (anonymous):
@GabeBae
OpenStudy (tapha):
b
OpenStudy (tapha):
im pretty sure
OpenStudy (nathalie0918):
b. pemdas
OpenStudy (anonymous):
What does it stand for?
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OpenStudy (anonymous):
pemdas
OpenStudy (anonymous):
.....nice explanation
OpenStudy (gabebae):
PEMDAS stands for Parentheses, Exponents, Multiplication, Division, Addition , and Subtraction
OpenStudy (anonymous):
you work left to right
OpenStudy (gabebae):
Yup, you work from left to right
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OpenStudy (anonymous):
please excuse my dear aunt sally
jimthompson5910 (jim_thompson5910):
if you have an expression of numbers only, like this
5 + 2*3
then you use PEMDAS
if you want to solve something like
2x + 5 = 10
then you work in reverse and follow SADMEP to isolate x and get it on its own side
jimthompson5910 (jim_thompson5910):
hopefully you can see how SADMEP is simply the reverse of PEMDAS
OpenStudy (anonymous):
please excuse my dear aunt sally
OpenStudy (gabebae):
FOIL is used to multiply two binomials together
First Inside Outside Last
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