Respuesta :
Answer:
3x^2+2x-1
Step-by-step explanation:
Start by plugging in the 2 equations into their assigned places then simplify.
Answer:14
Step-by-step explanation:( 3X2+1)-(1-X)
=3X2+1 -1+X
=3X2+X
ANY WHERE WE SEE X WE PLACE 2
=3(2)(2)+2
3*4+2
=12+2
14