Question

Determine o valor de x, sabendo que x = -b+ √b² - 4ac/2a (sobre 2a). Sendo que: A = 1/ B = -5/ C = -6

Answer 1

X= -(-5) + √(-5)² - 4 • 1 • (-6) /2
X= 5 + √25 - (-24)/ 2
X= 5 + 5 +24/2
X1= 5 + 29/2 = 34/2
X1= 17

X2= 5 - 29/2 = -24/2
X2= -12