Answer:
To find the solutions of the equation x^2+4x+3=0, you can use the quadratic formula:
x = (-b +/- sqrt(b^2 - 4ac)) / (2a)
where a, b, and c are the coefficients of the quadratic equation. In this case, a = 1, b = 4, and c = 3. Plugging these values into the formula gives:
x = (-4 +/- sqrt(16 - 413)) / (2*1)
x = (-4 +/- sqrt(4)) / 2
x = (-4 +/- 2) / 2
This means the two solutions for x are (-4 - 2) / 2 = -3 and (-4 + 2) / 2 = -1.
So the biggest and lowest numbers you can get with the number x^2+4x+3=0 are -3 and -1, respectively.