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  • 03-11-2015
  • Mathematics
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expand and simplify(3x+2)^2-(2x-1)^2

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Neuron
Neuron Neuron
  • 03-11-2015
If you would like to calculate (3 * x + 2)^2 - (2 * x - 1)^2, you can do this using the following steps:

(3 * x + 2)^2 - (2 * x - 1)^2 =
9 * x^2 + 12 * x + 4 - (4 * x^2 - 4 * x + 1) =
9 * x^2 + 12 * x + 4 - 4 * x^2 + 4 * x - 1 = 
5 * x^2 + 16 * x + 3

The result is 5 * x^2 + 16 * x + 3.
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