Sagot :
Answer:
x1=2,x2=2.5
Step-by-step explanation:
6×-2×2=5-10
6×-2×2-5×+10=0
×-2×2+-5×2-10=0
-×+2×2-10=0
2×2-×-10=0
2×2+4×-5-×-10=0
2××(×+2)-5(×+2)=0
(×+2)×(2×-5)=0
×+2=0
2×-5=0
×=-2
×=5/2
×1=-2,×2 5/2
Answer:
x1=2,x2=2.5
Step-by-step explanation:
6×-2×2=5-10
6×-2×2-5×+10=0
×-2×2+-5×2-10=0
-×+2×2-10=0
2×2-×-10=0
2×2+4×-5-×-10=0
2××(×+2)-5(×+2)=0
(×+2)×(2×-5)=0
×+2=0
2×-5=0
×=-2
×=5/2
×1=-2,×2 5/2