Question

3 x ao quadrado menos 7x + 2 = 0

Answer 1

3x^2-7x+2=0

Delta= b^2 -4.a.c

Delta= (-7)^2-4.3.2

Delta=49-24

Delta=25

$x = - b + ou - \sqrt{delta } \: \div 2 \times a$
x'=-(-7)+5/6
x'=12/6
x'=2

x"=-(-7)-5/6

x"=7-5/6

x"=2/6

x"=1/3