Question

as raizes da equaçao x2+11x+24=0 são??

Answer 1

A conta no papel fica melhor pra entender

Answer 2

a = 1, b = 11 ;c = 24

∆ = b² – 4 * a *c x= -11+(raiz de 25) = -11+ 5
∆ = 11²-4.1.24 - -
∆ = 121-96 ________________ ______
∆ = 25 2.1 2
x'=-11-5 = 16 = 8
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2 2
x"=-11+5 = 6 = 3
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2 2