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Mathematics 10 Online
OpenStudy (anonymous):

(a + 3)(a - 2)

OpenStudy (anonymous):

Do you want to expand this?

OpenStudy (anonymous):

can you help me solve this problem?

OpenStudy (unklerhaukus):

(a + 3)(a - 2) = a(a - 2)+3(a - 2) = ...

OpenStudy (anonymous):

i dont understand these type of math problems.

OpenStudy (unklerhaukus):

a(a - 2)= a×a-2×a

OpenStudy (ryan123345):

Do you know how to FOIL or what that means?

OpenStudy (anonymous):

yes !

OpenStudy (ryan123345):

Ok so the acronym is 1) First 2) Outer 3) Inner 4) Last

OpenStudy (ryan123345):

so first we multiply the first variables or numbers together, so what would we multiply first?

OpenStudy (anonymous):

3 and 2 ?

OpenStudy (ryan123345):

no, that is the last numbers. What are the first numbers?

OpenStudy (anonymous):

a & 3

OpenStudy (ryan123345):

no, the ''A'' was right so thats the first variable for the first parenthesis whats the first variable or number for the second?

OpenStudy (anonymous):

a.

OpenStudy (ryan123345):

good, so whats a x a ?

OpenStudy (anonymous):

a sqaure

OpenStudy (ryan123345):

\[a^2\]good

OpenStudy (ryan123345):

so now what are the outers which would be |dw:1366898606835:dw|

OpenStudy (anonymous):

2 & 3 ?

OpenStudy (ryan123345):

no those are the lasts. I even gave you a pic which ones they were

OpenStudy (anonymous):

a & a

OpenStudy (ryan123345):

no. those are the first remember? lol

OpenStudy (anonymous):

lol , well then is it gonna be a square ? help me out here lol

OpenStudy (ryan123345):

|dw:1366898787352:dw|

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