-9x^2+35x-30=1-x

Simple and best practice solution for -9x^2+35x-30=1-x 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 -9x^2+35x-30=1-x equation:


Simplifying
-9x2 + 35x + -30 = 1 + -1x

Reorder the terms:
-30 + 35x + -9x2 = 1 + -1x

Solving
-30 + 35x + -9x2 = 1 + -1x

Solving for variable 'x'.

Reorder the terms:
-30 + -1 + 35x + x + -9x2 = 1 + -1x + -1 + x

Combine like terms: -30 + -1 = -31
-31 + 35x + x + -9x2 = 1 + -1x + -1 + x

Combine like terms: 35x + x = 36x
-31 + 36x + -9x2 = 1 + -1x + -1 + x

Reorder the terms:
-31 + 36x + -9x2 = 1 + -1 + -1x + x

Combine like terms: 1 + -1 = 0
-31 + 36x + -9x2 = 0 + -1x + x
-31 + 36x + -9x2 = -1x + x

Combine like terms: -1x + x = 0
-31 + 36x + -9x2 = 0

Begin completing the square.  Divide all terms by
-9 the coefficient of the squared term: 

Divide each side by '-9'.
3.444444444 + -4x + x2 = 0

Move the constant term to the right:

Add '-3.444444444' to each side of the equation.
3.444444444 + -4x + -3.444444444 + x2 = 0 + -3.444444444

Reorder the terms:
3.444444444 + -3.444444444 + -4x + x2 = 0 + -3.444444444

Combine like terms: 3.444444444 + -3.444444444 = 0.000000000
0.000000000 + -4x + x2 = 0 + -3.444444444
-4x + x2 = 0 + -3.444444444

Combine like terms: 0 + -3.444444444 = -3.444444444
-4x + x2 = -3.444444444

The x term is -4x.  Take half its coefficient (-2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
-4x + 4 + x2 = -3.444444444 + 4

Reorder the terms:
4 + -4x + x2 = -3.444444444 + 4

Combine like terms: -3.444444444 + 4 = 0.555555556
4 + -4x + x2 = 0.555555556

Factor a perfect square on the left side:
(x + -2)(x + -2) = 0.555555556

Calculate the square root of the right side: 0.745355993

Break this problem into two subproblems by setting 
(x + -2) equal to 0.745355993 and -0.745355993.

Subproblem 1

x + -2 = 0.745355993 Simplifying x + -2 = 0.745355993 Reorder the terms: -2 + x = 0.745355993 Solving -2 + x = 0.745355993 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + x = 0.745355993 + 2 Combine like terms: -2 + 2 = 0 0 + x = 0.745355993 + 2 x = 0.745355993 + 2 Combine like terms: 0.745355993 + 2 = 2.745355993 x = 2.745355993 Simplifying x = 2.745355993

Subproblem 2

x + -2 = -0.745355993 Simplifying x + -2 = -0.745355993 Reorder the terms: -2 + x = -0.745355993 Solving -2 + x = -0.745355993 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + x = -0.745355993 + 2 Combine like terms: -2 + 2 = 0 0 + x = -0.745355993 + 2 x = -0.745355993 + 2 Combine like terms: -0.745355993 + 2 = 1.254644007 x = 1.254644007 Simplifying x = 1.254644007

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.745355993, 1.254644007}

See similar equations:

| 4y-0.9=5y | | 9(x+5)=6x+2 | | (2+y)(3y+7)=0 | | -3(-5x+2)= | | (8x+1)2+5=10 | | 3x^4+33x^3+90x^2=0 | | -5(4x-2)= | | a^(1/3)*a^(4/3) | | 4x-7x-13=-3x+7-13 | | (6x+2)(3x-5)=(9x-4)(2x+4) | | p^2p/p^-5 | | 2/3x-1=-1/3x-5 | | (2x^4+6y)(2x^4-6y)= | | 2(3x+3)=5(x-4) | | -3(x+5)=2-2x | | 12x^2+4x+15=0 | | 3(7r-12)=21r-6 | | 63+30t+3t^2=0 | | 4x+2.9=9.7 | | 7(x+1)=-2(x-4)+x | | 12k-3(2k-3)=45 | | -5y-15=7y+9 | | -5-15=7y+9 | | 2(1.6x)-1.33=-x+4.13 | | 4z+17=3z+4 | | 5-2x-4x=9 | | 27(2/3n) | | 500/3000 | | 7/3xb^4 | | y=-15-(-2)-(11-6) | | 2x^2y+4xy-58y=0 | | y=-20+30-40-(-50) |

Equations solver categories