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Expand and Simplify (x+3)(x+5)
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You can multiply BOTH of the terms in the first bracket
by EACH of the terms in the second bracket.
I teach this as FOIL: Multiply the FIRST things in each bracket, then the OUTSIDE things, then the INSIDE things, then the LAST things of each bracket.
THEN, collect like terms, which means add/subtract the terms that just have ''x' in them.
by EACH of the terms in the second bracket.
I teach this as FOIL: Multiply the FIRST things in each bracket, then the OUTSIDE things, then the INSIDE things, then the LAST things of each bracket.
THEN, collect like terms, which means add/subtract the terms that just have ''x' in them.
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