Meganhopex Meganhopex
  • 11-11-2015
  • Mathematics
contestada

Expand and simplify (x+3)(x+3)

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charliemakinson charliemakinson
  • 11-11-2015
x^2+6x+6
you just multiply the x's= x^2
then the x times the 3= 3x
then 3 times x=3x again
finally, 3 times 3
then it equals... x^2+3x+3x+9
then you need to simplify it to... x^2+6x+6  by adding the to 3x's in the middle as they are addable unlike the others so they are just left.
xxx
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