x = 2.5 + sqrt(29)
and
x = 2.5 - sqrt(29)
If you mean x2 + 5x + 1, then...
x = (-5 +/- sqrt(25 - 4)) / 2
x = (-5 +/- 4.58) / 2
x = -4.79, -0.21 (2dp)
The exact solutions are [5 ± sqrt(33)]/2. The approx values are -0.3723 and 5.3723
x = 1 and x = 4
x2+4x-9 = 5x+3 x2+4x-5x-9-3 = 0 x2-x-12 = 0 (x+3)(x-4) = 0 x = -3 or x = 4
Factors (x - 7)(x + 2) so x = 7 or -2.
It has no solutions because the discriminant of the quadratic equation is less than zero.
The exact solutions are [5 ± sqrt(33)]/2. The approx values are -0.3723 and 5.3723
2x+1=5x
x = 1 and x = 4
x2+4x-9 = 5x+3 x2+4x-5x-9-3 = 0 x2-x-12 = 0 (x+3)(x-4) = 0 x = -3 or x = 4
Did you get the question from sevenstar academy, Algebra.
It has no solutions because the discriminant of the quadratic equation is less than zero.
Factors (x - 7)(x + 2) so x = 7 or -2.
x2 - 5x = 0x (x - 5) = 0x = 0andx = 5
If you mean: x2+5x+4 = 0 then the solutions are x = -1 and x = -4
x2-5x-36 = (x-9(x+4) when factored
x=8
x2 + 5x + 3 = 9 x2 + 5x - 6 = 0 (x + 6)(x - 1) = 0 x = -6 or x = 1