Problemas problemas | Page 5

4

X2-7X+12=0 a=1 b=-7 c=12

usamos la fórmula

X= -b±√ (b) 2 -4ac

X= -(-7)± √(7)2- 4(1)(12)

2(1) reemplazamos

X= 7±√49-48

2

X=7±√1 Resolvemos

2

X=7±1

2

X1=7+1 = 8/2= 4

2

X2= 7-1 =6/2= 3

2