Question

A forma fatorada de 2x² - 5x + 2 é:

a) (x-2)(x-1/2)
b)2(x-2)(x-1/2)
c)2(x+2)(x=1/2)
d)2(x+2)(x-1/2)
e)2(x-2)(x+1/2)

Answer 1

d) 2(x+2) (x-1/2)
2x*2 -5x +2=0
delta da 9
x' 5+3= 8÷4= 2
x" 5-3= 2÷4= -1/2

Answer 2

Resposta:

2(x-2)(x-1/2)

Letra b