Question

resolva as equacoes de 2 grau do tipo ax2=B, com U=R

Answer 1

a)

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b)

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c)

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d)

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e)

$\frac{ {x}^{2} }{2} = \frac{5}{1}$

${x}^{2} = 10$

$x = \sqrt{10}$

f)

${x}^{2} + x = 81 + x$

${x}^{2} + x - x = 81$

${x}^{2} = 81$

$x = \sqrt{81}$

$x = 9$

g)

${x}^{2} + 10x = 10x - 4$

${x}^{2} + 10x - 10x = - 4$

${x}^{2} = - 4$

$x = \sqrt{ - 4}$

raiz indefinida

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