find numbers A and B such that for all x, x+2= A(x-3) + B( x+1)

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- Jun 17th 2008, 01:13 PMcruxkittyNot a hard problem but stuck
find numbers A and B such that for all x, x+2= A(x-3) + B( x+1)

- Jun 17th 2008, 01:15 PMwingless
$\displaystyle x+2=A(x-3)+B(x-1)$

Plug $\displaystyle x=3$ and $\displaystyle x=-1$ in the equation.