21x^2+195+54=0

Simple and best practice solution for 21x^2+195+54=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 21x^2+195+54=0 equation:


Simplifying
21x2 + 195 + 54 = 0

Reorder the terms:
195 + 54 + 21x2 = 0

Combine like terms: 195 + 54 = 249
249 + 21x2 = 0

Solving
249 + 21x2 = 0

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-249' to each side of the equation.
249 + -249 + 21x2 = 0 + -249

Combine like terms: 249 + -249 = 0
0 + 21x2 = 0 + -249
21x2 = 0 + -249

Combine like terms: 0 + -249 = -249
21x2 = -249

Divide each side by '21'.
x2 = -11.85714286

Simplifying
x2 = -11.85714286

Reorder the terms:
11.85714286 + x2 = -11.85714286 + 11.85714286

Combine like terms: -11.85714286 + 11.85714286 = 0.00000000
11.85714286 + x2 = 0.00000000

The solution to this equation could not be determined.

See similar equations:

| 2500+15x=3000+125x | | 4(x-15)=24x | | 2m+27=8m-3 | | 2(3x-4)=3(x-5) | | 4x^2+43+30= | | 100x+300=200 | | c^6+4096= | | 5a^2+2=7a | | 9r^2-5-10= | | 5t+36=6-2t | | 3x+2=6x-8 | | 6-x-3=10 | | (a^2+4)-5=0 | | -4[2.5-6]= | | a+6a=21 | | 7(x+2)=9(x-2) | | 13-11w=3-1w | | (2x^2y-4xy^2+5xy-2)+(-5x^2-3xy^2+2xy+7)= | | 7p-5=-15+2p | | 2s-9=-51+8s | | y^2-2y-35=45 | | t^2+19t=-90 | | 2A+5A=28 | | 4*x=5*x | | x^2-3x=54 | | 4=5 | | 5u-38=-6(u-1) | | .33t^2-16=0 | | 4m-9=-2(3-2m) | | y^2-5y+3=0 | | -2(3x+2)-8(8x+3)=-28 | | x^7=-64x^4 |

Equations solver categories