3x^2+17=-8x+8

Simple and best practice solution for 3x^2+17=-8x+8 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 3x^2+17=-8x+8 equation: 


Simplifying
3x2 + 17 = -8x + 8

Reorder the terms:
17 + 3x2 = -8x + 8

Reorder the terms:
17 + 3x2 = 8 + -8x

Solving
17 + 3x2 = 8 + -8x

Solving for variable 'x'.

Reorder the terms:
17 + -8 + 8x + 3x2 = 8 + -8x + -8 + 8x

Combine like terms: 17 + -8 = 9
9 + 8x + 3x2 = 8 + -8x + -8 + 8x

Reorder the terms:
9 + 8x + 3x2 = 8 + -8 + -8x + 8x

Combine like terms: 8 + -8 = 0
9 + 8x + 3x2 = 0 + -8x + 8x
9 + 8x + 3x2 = -8x + 8x

Combine like terms: -8x + 8x = 0
9 + 8x + 3x2 = 0

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

Divide each side by '3'.
3 + 2.666666667x + x2 = 0

Move the constant term to the right:

Add '-3' to each side of the equation.
3 + 2.666666667x + -3 + x2 = 0 + -3

Reorder the terms:
3 + -3 + 2.666666667x + x2 = 0 + -3

Combine like terms: 3 + -3 = 0
0 + 2.666666667x + x2 = 0 + -3
2.666666667x + x2 = 0 + -3

Combine like terms: 0 + -3 = -3
2.666666667x + x2 = -3

The x term is 2.666666667x.  Take half its coefficient (1.333333334).
Square it (1.777777780) and add it to both sides.

Add '1.777777780' to each side of the equation.
2.666666667x + 1.777777780 + x2 = -3 + 1.777777780

Reorder the terms:
1.777777780 + 2.666666667x + x2 = -3 + 1.777777780

Combine like terms: -3 + 1.777777780 = -1.22222222
1.777777780 + 2.666666667x + x2 = -1.22222222

Factor a perfect square on the left side:
(x + 1.333333334)(x + 1.333333334) = -1.22222222

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 86=5(8+2a)-4 | | 7-(2x+3)=16-6x | | 2.5=170/x | | -15+2x=-6x^2 | | 2(3+y)+3y=15 | | 6(12-2x/5) | | 6(-6n-4)=-4n+40 | | 2.3x+6.12=1.6x-10.44 | | 12b^2-(8b)=0 | | 13/6=39/t | | 9x+3-3x=-3(-4-x) | | 7/4=32/t | | -5(1-6p)=-155 | | 8/4=32/t= | | 18/4=81/x= | | 22-13=x | | Z=6+x-y | | p=140-7/9x | | x+3-5x+7+4y=7 | | 50x+5y=750 | | 65*x=22.75 | | (6b^3+2b^2-2)+(2b^3-2b+8)= | | 7x+1-2x=-3(6-2x) | | t^2+20t= | | (125x^6y)^2/3(y^7)^1/3 | | 2-x/2=x | | 2(5x-1)-2x=3x+8 | | 3B+5B-5=11 | | (3x+7)(3x^2-22x+35)=0 | | 35*70+14*30+45*17= | | 18x-8x= | | 8x+5(x-7)=-139 |

Equations solver categories