Encontre as raízes VALOR DE X das equações do 2°grau a seguir incompletas do tipo ax^2+bx abaixo:
-5x^2+25x=0
ME RESPONDAM AÍ PFVRRRRRRRRRRRRRRRRRRRRRRRŔRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRŔRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRRR
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Equação do 2° grau incompleta!
Divida ambos os membros da equação por - 5;
- 5x² + 25x= 0
x² - 5x= 0
x • (x - 5)= 0
x'= 0
x - 5= 0
x"= 5
S= { 0, 5}
✥AnnahLaryssa✥
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Respondido por
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Explicação passo-a-passo:
-5x^2+25x=0
x(-5x+25)=0
-5x+25=0
-5x=0-25
-5x=-25(-1)
5x=25
x=25/5
x=5
S = { 0 e 5 }
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