0
Use the quadratic formula. In x2 + 12x + 13 = 0, a = 1, b = 12 and c = 3. The formula is:
-b +/- √(b2 - 4ac)
----------------------
2a
Thus, x = [-2 +/- √(122 - 4(1)(13))]/2(1) = [-2 +/- √(144 - 52)]/2 = [-2 +/- √92]/2 = -1 +/- √23.
Add your answer:
Earn +20 pts
How can you rewrite equation x squared plus 12x plus 5 equals 3?
x2+12x+5 = 3 x2+12x+5-3 = 0 x2+12x+2 = 0
Solve the following inequalitie 12x plus 7 equals 43?
This is not an inequality. This is an equation.12x+7=43 12x=36 x=3
What is the vertex of the parabola y equals 2x squared plus 12x 13?
(-3, -5)
How do you solve 12x squared plus 9x plus 15 equals 0 with quadratic formula?
It can't be solved because the discriminant of the given quadratic equation is less than zero meaning it has no real roots.
What is negative 4x squared plus 12x squared?
8x squared
How can you rewrite equation x squared plus 12x plus 5 equals 3?
x2+12x+5 = 3 x2+12x+5-3 = 0 x2+12x+2 = 0
How do you solve 4x2 plus 12x equals 0?
4x2 = -12x, divide both sides by 4x: x = -3
Solve the following inequalitie 12x plus 7 equals 43?
This is not an inequality. This is an equation.12x+7=43 12x=36 x=3
What is the vertex of the parabola y equals 2x squared plus 12x 13?
(-3, -5)
How do you solve 5x-3 equals 11 plus 12x the solution is x equals?
5x-3 = 11+12x 5x-12x = 11+3 -7x = 14 x = -2
How do you solve 12x squared plus 9x plus 15 equals 0 with quadratic formula?
It can't be solved because the discriminant of the given quadratic equation is less than zero meaning it has no real roots.
What is X squared plus 12x plus 11 equals?
x2+12x+11=0 (x+11)(x+1)=0 x=-11 or x=-1
What is negative 4x squared plus 12x squared?
8x squared
Factor x squared - 12x plus 27 equals 0?
(x-3)(x-9) = 0
How do you factor 2x squared -12x plus 16 equals 0?
2(x - 2)(x - 4)
How do you solve x squared plus 12x?
Factor. X^2 + 12X X(X + 12) = 0 X = 0 ------------- X + 12 = 0 X = - 12 --------------
How would you solve 12x minus 6 equals 10x plus 2?
12x - 6 = 10x +2 12x - 10x = 2 + 6 2x = 8 x = 4
