Question

determine as raizes de 3x ao quadrado -75 =0

Answer 1

3x² - 75 = 0

3x²= 0 + 75

3x²= 75

x²= 75/3

x= ± √25

x= ± 5

Answer 2

$3x^{2} -75=0\\3x^{2} = 75\\x^{2} = \frac{75}{3\\}\\x^{2} =25\\x=25\\x=-25$