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anonymous
 5 years ago
(x + 2) (x9)
anonymous
 5 years ago
(x + 2) (x9)

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anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0is this equal to something?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0or are you just told to multiply the facts to give an expression?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0multiply the facts to give an expression.

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0did you understand what Maph did there though?

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.09 x 2 = 18 but i'm not sure how Maph got the 7

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0remeber when doing a problem like that to use foil (first,outside,inside, last) then combine like terms to end up with the answer

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0okay, multiply the two terms and note that (a+b)*(c+d)= a(c+d) +b(c+d) = ac+ad+bc+bd so, (x+2)(x9) = (x*x +2x9x18) = x^27x+18 (since 2x9x = 7x)

anonymous
 5 years ago
Best ResponseYou've already chosen the best response.0whoops, that is 18 at the end there.
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