X^2+78X+2500=0

Simple and best practice solution for X^2+78X+2500=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 X^2+78X+2500=0 equation:


Simplifying
X2 + 78X + 2500 = 0

Reorder the terms:
2500 + 78X + X2 = 0

Solving
2500 + 78X + X2 = 0

Solving for variable 'X'.

Begin completing the square.

Move the constant term to the right:

Add '-2500' to each side of the equation.
2500 + 78X + -2500 + X2 = 0 + -2500

Reorder the terms:
2500 + -2500 + 78X + X2 = 0 + -2500

Combine like terms: 2500 + -2500 = 0
0 + 78X + X2 = 0 + -2500
78X + X2 = 0 + -2500

Combine like terms: 0 + -2500 = -2500
78X + X2 = -2500

The X term is 78X.  Take half its coefficient (39).
Square it (1521) and add it to both sides.

Add '1521' to each side of the equation.
78X + 1521 + X2 = -2500 + 1521

Reorder the terms:
1521 + 78X + X2 = -2500 + 1521

Combine like terms: -2500 + 1521 = -979
1521 + 78X + X2 = -979

Factor a perfect square on the left side:
(X + 39)(X + 39) = -979

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 39-(2x+11)=2(x+4)+x | | 25x^4+99x^2-4=0 | | 2x+6x=-14-2x | | 3x+5-8x=13-17x+12x-8 | | 8x^5+64x^2=0 | | 2x+12=12x-7 | | sqrt(18w^14)=0 | | 8+6x=8+x | | 400x+50y+25z=2000 | | 6a^3-15a^2=0 | | 4x^3+25x=0 | | x^7+1=0 | | 3x+10=x+19 | | x-10=4x+5 | | 0.25y+20=-24 | | 4x+5=x-10 | | 0.25y+20=24 | | 7x+36=2x-8 | | 9x=14y-29 | | 2x^2+15x+15= | | -2x-3x=3+x | | 3ln(x-3)+6=7 | | 3-(sqrt)x=0 | | (4k+1)x^2+3kx+1=0 | | (5y+x)(6y-7z)=0 | | x-5y-9=0 | | 13x=-22 | | 10+(x+2)=31 | | 4x+8+2x-2=20 | | 2x*3x^8w^6*6w^6=0 | | (30-x)+x+(25-x)=42 | | 4(x+1)=21 |

Equations solver categories