Preciso resolver esse exercicio :
P=5xy²-x³y-6x
Sendo x= -2 e y=2,5
5(-2)(2.5)²-(-2)³2.5)-6(-2)=
-10(6.25)-(-8)(2.5)+12=
-62.5+20+12=
-62.5+32=-30.5
N sei desculpa hihi
mto dificil
responde a minha:
http://br.answers.yahoo.com/question/index;_ylt=Ak...
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Verified answer
5(-2)(2.5)²-(-2)³2.5)-6(-2)=
-10(6.25)-(-8)(2.5)+12=
-62.5+20+12=
-62.5+32=-30.5
N sei desculpa hihi
mto dificil
responde a minha:
http://br.answers.yahoo.com/question/index;_ylt=Ak...