13x^2-1x+15=0

Simple and best practice solution for 13x^2-1x+15=0 equation. Check how easy it is, and learn it for the future. Our solution is simple, and easy to understand, so don`t hesitate to use it as a solution of your homework.

If it's not what You are looking for type in the equation solver your own equation and let us solve it.

Solution for 13x^2-1x+15=0 equation: 


Simplifying
13x2 + -1x + 15 = 0

Reorder the terms:
15 + -1x + 13x2 = 0

Solving
15 + -1x + 13x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
13 the coefficient of the squared term: 

Divide each side by '13'.
1.153846154 + -0.07692307692x + x2 = 0

Move the constant term to the right:

Add '-1.153846154' to each side of the equation.
1.153846154 + -0.07692307692x + -1.153846154 + x2 = 0 + -1.153846154

Reorder the terms:
1.153846154 + -1.153846154 + -0.07692307692x + x2 = 0 + -1.153846154

Combine like terms: 1.153846154 + -1.153846154 = 0.000000000
0.000000000 + -0.07692307692x + x2 = 0 + -1.153846154
-0.07692307692x + x2 = 0 + -1.153846154

Combine like terms: 0 + -1.153846154 = -1.153846154
-0.07692307692x + x2 = -1.153846154

The x term is -0.07692307692x.  Take half its coefficient (-0.03846153846).
Square it (0.001479289941) and add it to both sides.

Add '0.001479289941' to each side of the equation.
-0.07692307692x + 0.001479289941 + x2 = -1.153846154 + 0.001479289941

Reorder the terms:
0.001479289941 + -0.07692307692x + x2 = -1.153846154 + 0.001479289941

Combine like terms: -1.153846154 + 0.001479289941 = -1.152366864059
0.001479289941 + -0.07692307692x + x2 = -1.152366864059

Factor a perfect square on the left side:
(x + -0.03846153846)(x + -0.03846153846) = -1.152366864059

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 2.5+3y=10 | | 14=-5(4x+2)+21x | | -3r-4r= | | x^2-13x+18=0 | | -3(0.2x+4)=0.4x+9 | | d^2-8d+15=0 | | 20-2p=-2(p+2)+4p | | |2x+2|=14 | | (5x^2-3x+6)-(3x^2+4x-7)= | | -2+13=17x-4-16x | | 3-2y-5+6y=0 | | 70=7(3z+7) | | 4b-7b= | | 21x=3x | | -3(2-3x)=9 | | 13x^2-2x+18=0 | | 6y=8x-40 | | 3(x+2)-4x+7=5(x-2)-1 | | -18+18x=-18 | | 7(-2+4x)=70 | | 8y-15y=-34-43 | | 13x^2-1x+18=0 | | 6x-4(x-5)-(5-3)=0 | | (-3z+7)=(4z-8) | | 3(2p-4)=72 | | m^2+11m+24=0 | | 25.54-p=0.5(50-p) | | 6+10=256 | | 3(w+1)=2w-6 | | -2/3+y=-3/4 | | 6n-6=4n+8 | | 7u+19=-10 |

Equations solver categories