(-6x^2+3x+5)+(9x^2-7x+1)=

Simple and best practice solution for (-6x^2+3x+5)+(9x^2-7x+1)= 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 (-6x^2+3x+5)+(9x^2-7x+1)= equation:


Simplifying
(-6x2 + 3x + 5) + (9x2 + -7x + 1) = 0

Reorder the terms:
(5 + 3x + -6x2) + (9x2 + -7x + 1) = 0

Remove parenthesis around (5 + 3x + -6x2)
5 + 3x + -6x2 + (9x2 + -7x + 1) = 0

Reorder the terms:
5 + 3x + -6x2 + (1 + -7x + 9x2) = 0

Remove parenthesis around (1 + -7x + 9x2)
5 + 3x + -6x2 + 1 + -7x + 9x2 = 0

Reorder the terms:
5 + 1 + 3x + -7x + -6x2 + 9x2 = 0

Combine like terms: 5 + 1 = 6
6 + 3x + -7x + -6x2 + 9x2 = 0

Combine like terms: 3x + -7x = -4x
6 + -4x + -6x2 + 9x2 = 0

Combine like terms: -6x2 + 9x2 = 3x2
6 + -4x + 3x2 = 0

Solving
6 + -4x + 3x2 = 0

Solving for variable 'x'.

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

Divide each side by '3'.
2 + -1.333333333x + x2 = 0

Move the constant term to the right:

Add '-2' to each side of the equation.
2 + -1.333333333x + -2 + x2 = 0 + -2

Reorder the terms:
2 + -2 + -1.333333333x + x2 = 0 + -2

Combine like terms: 2 + -2 = 0
0 + -1.333333333x + x2 = 0 + -2
-1.333333333x + x2 = 0 + -2

Combine like terms: 0 + -2 = -2
-1.333333333x + x2 = -2

The x term is -1.333333333x.  Take half its coefficient (-0.6666666665).
Square it (0.4444444442) and add it to both sides.

Add '0.4444444442' to each side of the equation.
-1.333333333x + 0.4444444442 + x2 = -2 + 0.4444444442

Reorder the terms:
0.4444444442 + -1.333333333x + x2 = -2 + 0.4444444442

Combine like terms: -2 + 0.4444444442 = -1.5555555558
0.4444444442 + -1.333333333x + x2 = -1.5555555558

Factor a perfect square on the left side:
(x + -0.6666666665)(x + -0.6666666665) = -1.5555555558

Can't calculate square root of the right side.

The solution to this equation could not be determined.

See similar equations:

| 10x-5+3x=21 | | 75=t(200000-100000)/500(20) | | 4x-5+2(2x-1)=-3 | | 3x-12/2x^3/2 | | (5x^2-3x-1)+(-2x^2-x+7)= | | -12-3x-5=-35 | | x+1.8=-4.7 | | 35+14x+15=180 | | 1/10(63-4x)=x/2 | | 245=7x+5(-7x-7) | | 4w-2=-2 | | -7(7-k)+4=-94 | | 0.50(x+-500000)=200000 | | 6x^2-22=272 | | x-1+2x-1=(-5) | | -2(3-6n)=90 | | 3(x-2)+12(x+1)=-14 | | 8a+-7= | | 6c+11=2c+55 | | x^2-16x-55=0 | | 12=t(100000)/500(20) | | (7-3x)/4=2 | | 14+5x+3= | | 4=x^2-4x | | 2x/6-11=(-4)-7 | | 48=1/2(140-x) | | 12=t(200000-100000)/500(20) | | 6(2x-7)-6=-(2x+1) | | 2x^4-8x^2+10=0 | | 12=x(200000-100000)/500(20) | | (2x+5)+3(x+2)= | | 6(2t-4)+48-6t= |

Equations solver categories