X²-14x+49=0 pakai rumus abc​

x² -14x + 49 = 0

a = 1

b = -14

c = 49

Rumus :

-b ± √b² -4ac /2a

-(-14) ± √(14)² -4(1)(49) /2(1)

14 ± √196 -196 /2

14 ± √0 /2

14 ± 0 /2

x1 = 14+0/2

= 14/2 = 7

x2 = 14-0/2

= 14/2 = 7

Maaf kalo salah