2x^2+8x+6=3x

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


Simplifying
2x2 + 8x + 6 = 3x

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

Solving
6 + 8x + 2x2 = 3x

Solving for variable 'x'.

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

Combine like terms: 8x + -3x = 5x
6 + 5x + 2x2 = 3x + -3x

Combine like terms: 3x + -3x = 0
6 + 5x + 2x2 = 0

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

Divide each side by '2'.
3 + 2.5x + x2 = 0

Move the constant term to the right:

Add '-3' to each side of the equation.
3 + 2.5x + -3 + x2 = 0 + -3

Reorder the terms:
3 + -3 + 2.5x + x2 = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 2.5x + x2 = 0 + -3
2.5x + x2 = 0 + -3

Combine like terms: 0 + -3 = -3
2.5x + x2 = -3

The x term is 2.5x.  Take half its coefficient (1.25).
Square it (1.5625) and add it to both sides.

Add '1.5625' to each side of the equation.
2.5x + 1.5625 + x2 = -3 + 1.5625

Reorder the terms:
1.5625 + 2.5x + x2 = -3 + 1.5625

Combine like terms: -3 + 1.5625 = -1.4375
1.5625 + 2.5x + x2 = -1.4375

Factor a perfect square on the left side:
(x + 1.25)(x + 1.25) = -1.4375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 12n-11=-263 | | 1.768+x=1.768 | | -3(2s-4)-12=-2(5s+0)-3 | | 3(7x+4)=4(3-5x) | | q+7=-15 | | 5x-5+7x=4x+7 | | 2x-9=-18 | | 3x+10=11x-6 | | 2x+15-7x=5x+30+15 | | 3x^2+9x+2=10 | | 7(11+x)=196 | | 3cos(45)=x | | 150=45+0.5x+x+2x | | 2(x+3-4)=22 | | 7(-12+r)=91 | | 10x+19=7x-8 | | 6(3k+1)=114 | | 5(1-4x)=2(X+8) | | 5x-12=7-2x | | 0.2(10x-2)=0.5(2+3.6x) | | (2x-y)(3x+7y)= | | 16+-2x=-4 | | (3-2x)+7= | | C=0.1x^2+0.8x+7 | | 2=17(31)-3 | | (a+40)+a=180 | | 21x^2+3x-12=0 | | -19+4x=7+2x | | 18ab-12b^2c=0 | | -10c-(-4c)=-54 | | 6*3.14=3.14*x | | 2x^4-3x^3-20x=0 |

Equations solver categories