x^2+2x+19=

Simple and best practice solution for x^2+2x+19= 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 x^2+2x+19= equation:


Simplifying
x2 + 2x + 19 = 0

Reorder the terms:
19 + 2x + x2 = 0

Solving
19 + 2x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '-19' to each side of the equation.
19 + 2x + -19 + x2 = 0 + -19

Reorder the terms:
19 + -19 + 2x + x2 = 0 + -19

Combine like terms: 19 + -19 = 0
0 + 2x + x2 = 0 + -19
2x + x2 = 0 + -19

Combine like terms: 0 + -19 = -19
2x + x2 = -19

The x term is 2x.  Take half its coefficient (1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
2x + 1 + x2 = -19 + 1

Reorder the terms:
1 + 2x + x2 = -19 + 1

Combine like terms: -19 + 1 = -18
1 + 2x + x2 = -18

Factor a perfect square on the left side:
(x + 1)(x + 1) = -18

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| -2(k-14)+4=-6 | | 2p+5q=15 | | 2m+12=m+15 | | 12x+2=-8+22 | | 7.3d+14.26=6.4d+1.93 | | X^2+22x+110=0 | | 2x^2y^4+4x^3y^3= | | 7+5x=2x+-2 | | 2(x-4)-3=6x-4(4+x) | | -16k=-18-17k | | 2(x-4)-3=6x-4(4+6) | | 6x-1+x=90 | | 3/5-1/5= | | 17b+15+4b^2= | | 17f+5=16f-10 | | 46.12-29d-0.8=d | | (x/3)-4=(x/5)-2 | | n^2+n-360=0 | | 5(m-1)+16(2m+3)=3(2m-7)-m | | 27+yi=11-x+8i | | 6r+2-14r=-7r-17 | | 2x^(3/5)=27 | | 10y^3-4y^2= | | 25x^6-9a^6= | | 3j+10=j | | -8u+9=-5u | | 4+14X^2-7x= | | (-7z-8)-(z+2)=-15z-87 | | -8+8g=2g+10g+4 | | -2-9s=-8-10s | | log(5x-1)+log(x+5)=1 | | 3x+4(x-3)=72 |

Equations solver categories