3x² = 2(2x+1)
Expand the brackets
3x² = 4x + 2
Rearrange
3x² - 4x - 2 = 0
Quadratic formula is
(-b ± √(b² - 4ac)) / 2a
Where
a = 3
b = -4
c = -2
Therefore, putting these values in to the quadratic formula:
x = 15.487
or
x = -3.487
Round the answers how you will.
