October 2020 0 105 Report
Quais das equações abaixo são de 2º grau? a) x (x + 2) = 0
b)(4 - 3x)² = 64
c) (2x - 4)² = 4x² - 2x
d) x⁴ - 5x² + 4 = 0
e) (2x - 4)² = 2x (x - 2) + 48
Reduzam por favor !?
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