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Evaluate `x^2-3x` for x= -2 

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smith1767 | Student, Undergraduate | eNoter

Posted February 25, 2013 at 4:08 PM via web

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Evaluate `x^2-3x` for x= -2 

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justaguide | College Teacher | (Level 2) Distinguished Educator

Posted February 25, 2013 at 5:29 PM (Answer #1)

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The expression `x^2-3x` has to be evaluated for x= -2. Substitute x = -2. This gives:

`(-2)^2 - 3*(-2)`

= 4 + 6

= 10

The expression `x^2-3x = 10` for x = -2

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