SOLUTION: {{{ (a - 1) (a + 2) (a - 3) = a^3 - 2a^2 - 5a + 6 }}} But how do i get that answer? Thanks

Question 49445:
But how do i get that answer?
Thanks
Answer by venugopalramana(3286) (Show Source): You can put this solution on YOUR website!

But how do i get that answer?
Thanks
use formula (a+x)(a+y)(a+z)=a^3+a^2(x+y+z)+a(xy+yz+zx)+xyz..or multiply normally...using formula
a^3+a^2(-1+2-3)+a(-1*2-1*-3-3*2)+(-1)(3)(-2)
=a^3-2a^2-5a+6
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