alex051003
alex051003
16-01-2017
Mathematics
contestada
Expand and simplify (x-3) (x-4)
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ZacMac
ZacMac
16-01-2017
(x^2 - 7x + 12) That's my answer.
Answer Link
ptvia
ptvia
16-01-2017
Do FOIL (First, outer, inner, last)
(x-3)(x-4)
multiply the x's since they are first
then multiply -4 and x
then multiply -3 and x
then multiply -3 and -4
putting it all together gives you x^2-4x-3x+12
simplify and it will be x^2-7x+12
Answer Link
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