Question

resolva usando a formula resolutiva:

a
$x {}^{2} - 20x + 75 = 0$
b
$x {}^{2} - 2x + 2 = 0$
c
$x {}^{2} - 2x + 2 = 0$
d
$x {}^{2} - 15x + 26 = 0$
e
$x {}^{2} + 8x - 33 = 0$
f
$x {}^{2} - 7x + 8 = 0$
g
$x {}^{2} +x - 110 = 0$
h
$x {}^{2} - 2x - 120 = 0$
i
$x {}^{2} + x + 1 = 0$

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Answer 1

Resposta:

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Explicação passo-a-passo:

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