emilykanderson21 emilykanderson21
  • 24-06-2016
  • Mathematics
contestada

If x = -2, then x 2 - 7x + 10 equals

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SimplyIandra SimplyIandra
  • 24-06-2016
2-7x +10 =6
2-7(-2)+10
2-14+10
-16+10
-6
PEMDAS
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olemakpadu
olemakpadu olemakpadu
  • 24-06-2016
x² - 7x + 10.

When x = -2.

x² - 7x + 10 =  (-2)² - 7*(-2) + 10

                   =  4 + 14 + 10

                   = 28.

I hope this helps.  
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