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
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