Question

Ecuatii de gradul 2 forma incompleta 
a)3x²-12=0
b)2x²-5x=0
c)5x²+8=0
d)10x²=0
e)x²-0,99=1,01

Answer 1

a) x=2 x=-2
b)x=0 sau x=5/2
c)x=-2[tex] \sqrt{2 } [/tex]/5
d)x=0
e)x=$\sqrt{2}$ sau $- \sqrt{2}$