adelarangelmartinez adelarangelmartinez
  • 06-12-2018
  • Mathematics
contestada

7x^2 +2× when x = 3?

Respuesta :

khankhizarm khankhizarm
  • 06-12-2018

Answer:

7(3^2) + 2(3).

That equals to 7(9) + 2(3).

That equals to 63 + 6.

That finally equals to 69.

Step-by-step explanation:


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mari2005allnatrual mari2005allnatrual
  • 06-12-2018

Answer:your answer would be 106


Step-by-step explanation: the new equation would be 7(3)2+2(3) the 7x3x2 would equal 98 and and the 2x3 would equal 8 because 2x2x2 98+8=106

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