Question

resolva as equaçoes do segundo grau incompletas a seguir:
a) 4/3 x^2 - 3 = 0
b)3/5 x^2 -x = 0

Answer 1

4/3 x^2 - 3 = 0 ===> *(3)

4x² - 9 = 0

4x² = 9

x² = 9/4

x = √9/4

x = ± 3/2 ✓

3/5 x^2 -x = 0. ===> *(5)

3x² -5x = O

x(3x -5)=0 => x=0 ✓

3x-5=0

3x=5 ==> x= 5/3 ✓