2x^2+3x+8=6

Simple and best practice solution for 2x^2+3x+8=6 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 2x^2+3x+8=6 equation:


Simplifying
2x2 + 3x + 8 = 6

Reorder the terms:
8 + 3x + 2x2 = 6

Solving
8 + 3x + 2x2 = 6

Solving for variable 'x'.

Reorder the terms:
8 + -6 + 3x + 2x2 = 6 + -6

Combine like terms: 8 + -6 = 2
2 + 3x + 2x2 = 6 + -6

Combine like terms: 6 + -6 = 0
2 + 3x + 2x2 = 0

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

Divide each side by '2'.
1 + 1.5x + x2 = 0

Move the constant term to the right:

Add '-1' to each side of the equation.
1 + 1.5x + -1 + x2 = 0 + -1

Reorder the terms:
1 + -1 + 1.5x + x2 = 0 + -1

Combine like terms: 1 + -1 = 0
0 + 1.5x + x2 = 0 + -1
1.5x + x2 = 0 + -1

Combine like terms: 0 + -1 = -1
1.5x + x2 = -1

The x term is 1.5x.  Take half its coefficient (0.75).
Square it (0.5625) and add it to both sides.

Add '0.5625' to each side of the equation.
1.5x + 0.5625 + x2 = -1 + 0.5625

Reorder the terms:
0.5625 + 1.5x + x2 = -1 + 0.5625

Combine like terms: -1 + 0.5625 = -0.4375
0.5625 + 1.5x + x2 = -0.4375

Factor a perfect square on the left side:
(x + 0.75)(x + 0.75) = -0.4375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 5.30(2.50)x=55.20 | | -25+8x+15=-61 | | 100+15x=-1.2 | | 28x-7=90 | | 3m+7m-8=9m-10+m+2 | | (3x-8)(4x-3)=0 | | -7(3m-7)=-3(7m-1) | | F(x)=9x-23 | | 16-5x=4-2x+6 | | 1.5x-1.3x=-8.4 | | 7x-34+2x+97=180 | | 7z+4=5 | | 5x^4+42x^2=27 | | 30+15x=15+20x | | S=r^2+2rh | | 16x+(9x+5)=90 | | 93=13-5p | | (7k-2)(8k-1)=0 | | 7x-34+2x+97=90 | | (18y+25)=90 | | -(1+5x)=-(5x+3) | | 4(2y-3)+6y=45 | | (18y+25)=180 | | 8(817-264-2952xD+4)=-3(6x+8)+5 | | 5a-11-8a+12=17a+6-15a | | f(x) = 14x+6 | | x^2+8x+9=-x+9 | | 18y+25=90 | | 11+5x=7x+1 | | -4+13=x | | 18y+25=180 | | -5w-10=-3(w+2) |

Equations solver categories