Question

resolver a equação do 2° grau incompleta :3x*-75=o

Answer 1

3x^2-75=0
3x^2=0+75
3x^2=75
x^2=75/3
x^2=25
x= raiz de 25
x=-/+ 5

Answer 2

3x² - 75 = 0
3x² = 75
x² = 75/3
x² = 25
x = √25
x = + 5 e x = - 5