Ecuaciones de 2º grado parejas 2B
__1. (x+2)2 = 16A. x=6 , x= 0
__2. (x+2)2=100B. x=2, x= -6
__3. (x-3)2 = 9C. x=8 , x =-12
__4. (x-3)2 =25D. x=-2 , x = 8
__5. -(x-2)·(x-3) = 0E. x=2 , x= 3
__6. 2x2=50F. x= 5, x= -2
__7. 3(x-5)·(3x+6)=0G. x=0 , x=5/3
__8. 3x2 =5xH. x= -1/2 , x= -1/2
__9. 4x2 = -1 -4 xI. sin solución
__10. x2 = -3(x+1)-3J. x=5 , x=-5
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