Question

solve the equation 3x² - x - 7=0
and glue your answere correct to
decimal places .
two​

Answer 1

Answer:

1.70 or 1.36

Step-by-step explanation:

3x² - x - 7 = 0

x = {1 ± √1 - [-4(3 × 5)]}/2(3)......... by formula x = [-b ± √(b² - 4ac)]/2a

x = {1 ± √85}/6

hence, x = (1 + √85)/6 or x = (1 - √85)/6

x = (10.21)/6 or x = ( -8.21)/6

x = 1.70 or. x = 1.36