oliviajl
oliviajl oliviajl
  • 21-11-2017
  • Mathematics
contestada

If x = -3 calculate the value of 2xsquared+x

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AlexisRD
AlexisRD AlexisRD
  • 21-11-2017
33. 2x-3= -6
-6^2(squared) = 36 
36 +(-3) = 33
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MusicalCherries13
MusicalCherries13 MusicalCherries13
  • 21-11-2017
The answer would be 15. 

Substitute in the numbers and use order of operations. 

2(-3)^2 + (-3)
2(9) - 3
18 - 3
15
Answer Link

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