Posted by Sarah on Sunday, January 13, 2008 at 11:05am.
1. (x + 7) (x2 – 3x + 2)
distributive property
= x(x^2-3x+2) + 7(x^2-3x+2)
you take it from there
2. (x + 7) – (x2 – 3x + 2)
like terms
-x^2 +(1+3)x + 7-2
you take it from there
3.(x + 7) + (x + 7)
x + x +7 + 7
you take it from there
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