ejalynn ejalynn
  • 06-03-2017
  • Mathematics
contestada

30x(x-3) multiply please

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sdmatera
sdmatera sdmatera
  • 06-03-2017
You distribute the 30x to the equation in parenthesis

So basically you are doing (30x*x)+(30x*-3)
So you get 30x^2-90x

Hope this helps!
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Аноним Аноним
  • 06-03-2017
30x(x-3)
lets substitute x for 1
30 * 1(1 - 3)
1 - 3 = 2
30 * 1 = 30
30 * 2 = 60
I hope I did it correctly. 
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