8x^2+49x+351=0

Simple and best practice solution for 8x^2+49x+351=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 8x^2+49x+351=0 equation:


Simplifying
8x2 + 49x + 351 = 0

Reorder the terms:
351 + 49x + 8x2 = 0

Solving
351 + 49x + 8x2 = 0

Solving for variable 'x'.

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

Divide each side by '8'.
43.875 + 6.125x + x2 = 0

Move the constant term to the right:

Add '-43.875' to each side of the equation.
43.875 + 6.125x + -43.875 + x2 = 0 + -43.875

Reorder the terms:
43.875 + -43.875 + 6.125x + x2 = 0 + -43.875

Combine like terms: 43.875 + -43.875 = 0.000
0.000 + 6.125x + x2 = 0 + -43.875
6.125x + x2 = 0 + -43.875

Combine like terms: 0 + -43.875 = -43.875
6.125x + x2 = -43.875

The x term is 6.125x.  Take half its coefficient (3.0625).
Square it (9.37890625) and add it to both sides.

Add '9.37890625' to each side of the equation.
6.125x + 9.37890625 + x2 = -43.875 + 9.37890625

Reorder the terms:
9.37890625 + 6.125x + x2 = -43.875 + 9.37890625

Combine like terms: -43.875 + 9.37890625 = -34.49609375
9.37890625 + 6.125x + x2 = -34.49609375

Factor a perfect square on the left side:
(x + 3.0625)(x + 3.0625) = -34.49609375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 50x^6-18x^4=0 | | 2x-42=x+11 | | -52+z=92 | | -37-5x=-77 | | -52x+6=10 | | 2x-3=x/2+2 | | 3x(-11x+1)= | | 5a+2b=3a+3b | | 10(5x-4)=20 | | 0=x^2+3x+40 | | 0.5=0+5 | | -.875x=-42 | | 3(2+5m)=-63 | | -.875=-42 | | -.875=-42 | | 50-36.50= | | c=15+0.10 | | 2p+1.50+2p(.15)+1.5*.15=11.5 | | 10z-9=4z+57 | | 6x+6=9x-15 | | -24-18= | | -(3x+8)-2=1 | | 15x+16y=46 | | 0.3g+4=2 | | b+3y=5m | | 6x+40=-10y | | 4x^3-24x^2=m | | 7-3x=4x+1 | | 6x+6+9x-15+x=180 | | 3x=18-30 | | 2(-1.5+4.5)+3y=9 | | 6(3-x)+(-20)=10+3(2x+4) |

Equations solver categories