Question

Resolva a equaçao de 2° Grau
$x {}^{2} - 8 \times + 12 = 0$
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Answer 1

Resposta:

Explicação passo-a-passo:

a=1

b=-8

c=+12

x=-(-8)+-V(-8)²-4.1.12/2.1

x=+8+-V64-48/2

x=+8+-V16/2

x'=+8+4/2=+12/6=+6

x''=+8-4/2=+4/2=+2