• Matéria: Matemática
  • Autor: liviavitoria19
  • Perguntado 3 anos atrás

URGENTEEEEEE

x^2-3x-10=0​

Respostas

respondido por: Lyonzinw
2

x¹ = -2

x² = 5

\Large{\purple{\Huge ————————————————}}

\sf \red{ x^{2} } \green{ - } \blue{ 3x } \red{-} \green{10} \pink{ = } \purple{ 0 }

a = 1

b = -3

c = -10

Delta

\sf \red{ \Delta } \green{ =} \blue{ (-3) } \pink{ ^{2}} \purple{ -} \orange{ 4 } \red{ (1) } \green{ (-10) } \\ \sf \blue{ \Delta } \pink{ = } \purple{ 9 } \orange{ - } \red{ 4 } \green{ (1) } \blue{ (-10) } \\ \sf \red{\Delta }\green{=} \pink{ 9 } \purple{ -} \orange{ 4 } \red{ (-10) } \\ \sf \orange{\Delta}\pink{=} \green{ 9 } \blue{ - } \pink{ (-40) }\\ \sf \blue{\Delta}\green{=} \purple{ 9 } \orange{+ } \red{40} \\ \sf \green{ \Delta } \blue{ = } \pink{49 } \purple{ } \orange{ } \red{ } \green{ } \blue{ } \pink{ } \purple{ } \orange{ }

Bhaskara

\sf \red{ \frac{-(-3)\pm \sqrt{49}}{2(1)} } \\ \sf \green{ \frac{3\pm 7}{2} }\\ \\ \sf \blue{ \frac{3-7}{2}} \pink{= } \purple{ \frac{-4}{2} } \orange{= } \Huge\boxed{\red{ \sf \large -2} } \\ \sf \green{ \frac{3+7}{2} } \blue{ = } \pink{ \frac{10}{2} } \purple{ = } \Huge\boxed{ \orange{ \large \sf 5}} \red{ } \green{ } \blue{ } \pink{ } \purple{ } \orange{ } \red{ } \green{ } \blue{ } \pink{ } \purple{ } \orange{ } \red{ } \green{ } \blue{ } \pink{ } \purple{ } \orange{ } \red{ } \green{ } \blue{ } \pink{ } \purple{ } \orange{ }

– exodus


Taksh: Muito massa ;)`
Lyonzinw: QUE ISSO MEU FILHO, CALMA
liviavitoria19: obg ^^
Lyonzinw: tnk
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