xwuphxria
xwuphxria
06-04-2020
Mathematics
contestada
Evaluate
2t²-3u+ 2; t= -5, u=7
2t² - 3u +2=
Respuesta :
talohany
talohany
06-04-2020
Step-by-step explanation:
2(-5)²-3(7)+2
-50-21+2
-71+2
69
it's substitution
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