3(0.9x - 1) - x(x + 0.6) = -0.2
Expanding the left side:
2.7x - 3 - x^2 - 0.6x = -0.2
Combining like terms:
2.7x - 3 - x^2 - 0.6x + 0.2 = 0
Rearranging:
-x^2 + 2.1x - 2.8 = 0
This is a quadratic equation that can be solved by factoring, completing the square, or using the quadratic formula.
3(0.9x - 1) - x(x + 0.6) = -0.2
Expanding the left side:
2.7x - 3 - x^2 - 0.6x = -0.2
Combining like terms:
2.7x - 3 - x^2 - 0.6x + 0.2 = 0
Rearranging:
-x^2 + 2.1x - 2.8 = 0
This is a quadratic equation that can be solved by factoring, completing the square, or using the quadratic formula.