Question

escreva as equações na forma Geral:

 

a) x²+2x+x+2=0

b) 2x²+4x-6-3x

c)5x²-x+1=x-4 

d) 4x²+7x+3=2x² + 2x

Answer 1

a) x+2x+x+2=0

4x=2

x=2:4

x=0,5

b)4x+4x-6-3x

8x-3x=+6

5x=6

x=6:5

x=1,2

c)25x-x+1=x-4

24x-x=-1-4

23x=3

x=23:3

x=7,3